Color of hair or fur.
A filament-like structure consisting of a shaft which projects to the surface of the SKIN from a root which is softer than the shaft and lodges in the cavity of a HAIR FOLLICLE. It is found on most surfaces of the body.
The visually perceived property of objects created by absorption or reflection of specific wavelengths of light.
A melanocortin receptor subtype found primarily in MELANOCYTES. It shows specificity for ALPHA-MSH and ADRENOCORTICOTROPIC HORMONE. Loss of function mutations of the type 1 melanocortin receptor account for the majority of red hair and fair skin recessive traits in human.
Coloration of the skin.
Color of the iris.
The theory that human CHARACTER and BEHAVIOR are shaped by the GENES that comprise the individual's GENOTYPE rather than by CULTURE; ENVIRONMENT; and individual choice.
Mental processing of chromatic signals (COLOR VISION) from the eye by the VISUAL CORTEX where they are converted into symbolic representations. Color perception involves numerous neurons, and is influenced not only by the distribution of wavelengths from the viewed object, but also by its background color and brightness contrast at its boundary.
A tube-like invagination of the EPIDERMIS from which the hair shaft develops and into which SEBACEOUS GLANDS open. The hair follicle is lined by a cellular inner and outer root sheath of epidermal origin and is invested with a fibrous sheath derived from the dermis. (Stedman, 26th ed) Follicles of very long hairs extend into the subcutaneous layer of tissue under the SKIN.
Insoluble polymers of TYROSINE derivatives found in and causing darkness in skin (SKIN PIGMENTATION), hair, and feathers providing protection against SUNBURN induced by SUNLIGHT. CAROTENES contribute yellow and red coloration.
Coloration or discoloration of a part by a pigment.
Sensory cells in the organ of Corti, characterized by their apical stereocilia (hair-like projections). The inner and outer hair cells, as defined by their proximity to the core of spongy bone (the modiolus), change morphologically along the COCHLEA. Towards the cochlear apex, the length of hair cell bodies and their apical STEREOCILIA increase, allowing differential responses to various frequencies of sound.
Autosomal dominant, congenital disorder characterized by localized hypomelanosis of the skin and hair. The most familiar feature is a white forelock presenting in 80 to 90 percent of the patients. The underlying defect is possibly related to the differentiation and migration of melanoblasts, as well as to defective development of the neural crest (neurocristopathy). Piebaldism may be closely related to WAARDENBURG SYNDROME.
Highly keratinized processes that are sharp and curved, or flat with pointed margins. They are found especially at the end of the limbs in certain animals.
Function of the human eye that is used in bright illumination or in daylight (at photopic intensities). Photopic vision is performed by the three types of RETINAL CONE PHOTORECEPTORS with varied peak absorption wavelengths in the color spectrum (from violet to red, 400 - 700 nm).
A family of G-protein-coupled receptors that have specificity for MELANOCYTE-STIMULATING HORMONES and ADRENOCORTICOTROPIC HORMONE. There are several subtypes of melanocortin receptors, each having a distinct ligand specificity profile and tissue localization.
The application of genetic analyses and MOLECULAR DIAGNOSTIC TECHNIQUES to legal matters and crime analysis.
Cell surface receptors that bind CORTICOTROPIN; (ACTH, adrenocorticotropic hormone) with high affinity and trigger intracellular changes. Pharmacology suggests there may be multiple ACTH receptors. An ACTH receptor has been cloned and belongs to a subfamily of G-protein-coupled receptors. In addition to the adrenal cortex, ACTH receptors are found in the brain and immune systems.
Type of vision test used to determine COLOR VISION DEFECTS.
Professions or other business activities directed to the cure and prevention of disease. For occupations of medical personnel who are not physicians but who are working in the fields of medical technology, physical therapy, etc., ALLIED HEALTH OCCUPATIONS is available.
A circumscribed stable malformation of the skin and occasionally of the oral mucosa, which is not due to external causes and therefore presumed to be of hereditary origin.
Ultrasonography applying the Doppler effect, with the superposition of flow information as colors on a gray scale in a real-time image. This type of ultrasonography is well-suited to identifying the location of high-velocity flow (such as in a stenosis) or of mapping the extent of flow in a certain region.
Irradiation directly from the sun.
Tumors or cancer of the SKIN.
Defects of color vision are mainly hereditary traits but can be secondary to acquired or developmental abnormalities in the CONES (RETINA). Severity of hereditary defects of color vision depends on the degree of mutation of the ROD OPSINS genes (on X CHROMOSOME and CHROMOSOME 3) that code the photopigments for red, green and blue.
Diseases affecting the orderly growth and persistence of hair.
Auditory sensory cells of organ of Corti, usually placed in one row medially to the core of spongy bone (the modiolus). Inner hair cells are in fewer numbers than the OUTER AUDITORY HAIR CELLS, and their STEREOCILIA are approximately twice as thick as those of the outer hair cells.
A family of transcription factors that share an N-terminal HELIX-TURN-HELIX MOTIF and bind INTERFERON-inducible promoters to control GENE expression. IRF proteins bind specific DNA sequences such as interferon-stimulated response elements, interferon regulatory elements, and the interferon consensus sequence.
Methods used to remove unwanted facial and body hair.
A malignant neoplasm derived from cells that are capable of forming melanin, which may occur in the skin of any part of the body, in the eye, or, rarely, in the mucous membranes of the genitalia, anus, oral cavity, or other sites. It occurs mostly in adults and may originate de novo or from a pigmented nevus or malignant lentigo. Melanomas frequently metastasize widely, and the regional lymph nodes, liver, lungs, and brain are likely to be involved. The incidence of malignant skin melanomas is rising rapidly in all parts of the world. (Stedman, 25th ed; from Rook et al., Textbook of Dermatology, 4th ed, p2445)
Dyes used as cosmetics to change hair color either permanently or temporarily.
Sensory cells in the acoustic maculae with their apical STEREOCILIA embedded in a gelatinous OTOLITHIC MEMBRANE. These hair cells are stimulated by the movement of otolithic membrane, and impulses are transmitted via the VESTIBULAR NERVE to the BRAIN STEM. Hair cells in the saccule and those in the utricle sense linear acceleration in vertical and horizontal directions, respectively.
Hair grooming, cleansing and modifying products meant for topical application to hair, usually human. They include sprays, bleaches, dyes, conditioners, rinses, shampoos, nutrient lotions, etc.
Sensory cells of organ of Corti. In mammals, they are usually arranged in three or four rows, and away from the core of spongy bone (the modiolus), lateral to the INNER AUDITORY HAIR CELLS and other supporting structures. Their cell bodies and STEREOCILIA increase in length from the cochlear base toward the apex and laterally across the rows, allowing differential responses to various frequencies of sound.
Mammalian pigment cells that produce MELANINS, pigments found mainly in the EPIDERMIS, but also in the eyes and the hair, by a process called melanogenesis. Coloration can be altered by the number of melanocytes or the amount of pigment produced and stored in the organelles called MELANOSOMES. The large non-mammalian melanin-containing cells are called MELANOPHORES.
A malignant skin neoplasm that seldom metastasizes but has potentialities for local invasion and destruction. Clinically it is divided into types: nodular, cicatricial, morphaic, and erythematoid (pagetoid). They develop on hair-bearing skin, most commonly on sun-exposed areas. Approximately 85% are found on the head and neck area and the remaining 15% on the trunk and limbs. (From DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1471)
An enzyme of the oxidoreductase class that catalyzes the reaction between L-tyrosine, L-dopa, and oxygen to yield L-dopa, dopaquinone, and water. It is a copper protein that acts also on catechols, catalyzing some of the same reactions as CATECHOL OXIDASE. EC 1.14.18.1.
Membrane transporters that co-transport two or more dissimilar molecules in the opposite direction across a membrane. Usually the transport of one ion or molecule is against its electrochemical gradient and is "powered" by the movement of another ion or molecule with its electrochemical gradient.
The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment.
The smallest continent and an independent country, comprising six states and two territories. Its capital is Canberra.
A broad category of proteins involved in the formation, transport and dissolution of TRANSPORT VESICLES. They play a role in the intracellular transport of molecules contained within membrane vesicles. Vesicular transport proteins are distinguished from MEMBRANE TRANSPORT PROTEINS, which move molecules across membranes, by the mode in which the molecules are transported.
Absence of hair from areas where it is normally present.

Longevity, stress response, and cancer in aging telomerase-deficient mice. (1/432)

Telomere maintenance is thought to play a role in signaling cellular senescence; however, a link with organismal aging processes has not been established. The telomerase null mouse provides an opportunity to understand the effects associated with critical telomere shortening at the organismal level. We studied a variety of physiological processes in an aging cohort of mTR-/- mice. Loss of telomere function did not elicit a full spectrum of classical pathophysiological symptoms of aging. However, age-dependent telomere shortening and accompanying genetic instability were associated with shortened life span as well as a reduced capacity to respond to stresses such as wound healing and hematopoietic ablation. In addition, we found an increased incidence of spontaneous malignancies. These findings demonstrate a critical role for telomere length in the overall fitness, reserve, and well being of the aging organism.  (+info)

High polymorphism at the human melanocortin 1 receptor locus. (2/432)

Variation in human skin/hair pigmentation is due to varied amounts of eumelanin (brown/black melanins) and phaeomelanin (red/yellow melanins) produced by the melanocytes. The melanocortin 1 receptor (MC1R) is a regulator of eu- and phaeomelanin production in the melanocytes, and MC1R mutations causing coat color changes are known in many mammals. We have sequenced the MC1R gene in 121 individuals sampled from world populations with an emphasis on Asian populations. We found variation at five nonsynonymous sites (resulting in the variants Arg67Gln, Asp84Glu, Val92Met, Arg151Cys, and Arg163Gln), but at only one synonymous site (A942G). Interestingly, the human consensus protein sequence is observed in all 25 African individuals studied, but at lower frequencies in the other populations examined, especially in East and Southeast Asians. The Arg163Gln variant is absent in the Africans studied, almost absent in Europeans, and at a low frequency (7%) in Indians, but is at an exceptionally high frequency (70%) in East and Southeast Asians. The MC1R gene in common and pygmy chimpanzees, gorilla, orangutan, and baboon was sequenced to study the evolution of MC1R. The ancestral human MC1R sequence is identical to the human consensus protein sequence, while MC1R varies considerably among higher primates. A comparison of the rates of substitution in genes in the melanocortin receptor family indicates that MC1R has evolved the fastest. In addition, the nucleotide diversity at the MC1R locus is shown to be several times higher than the average nucleotide diversity in human populations, possibly due to diversifying selection.  (+info)

A system for rapid generation of coat color-tagged knockouts and defined chromosomal rearrangements in mice. (3/432)

Gene targeting in mouse embryonic stem (ES) cells can be used to generate single gene mutations or defined multi-megabase chromosomal rearrangements when applied with the Cre- loxP recombination system. While single knockouts are essential for uncovering functions of cloned genes, chromosomal rearrangements are great genetic tools for mapping, mutagenesis screens and functional genomics. The conventional approach to generate mice with targeted alterations of the genome requires extensive molecular cloning to build targeting vectors and DNA-based genotyping for stock maintenance. Here we describe the design and construction of a two-library system to facilitate high throughput gene targeting and chromo-somal engineering. The unique feature of these libraries is that once a clone is isolated, it is essentially ready to be used for insertional targeting in ES cells. The two libraries each bear a complementary set of genetic markers tailored so that the vector can be used for Cre- loxP -based chromosome engineering as well as single knockouts. By incorporating mouse coat color markers into the vectors, we illustrate a widely applicable method for stock maintenance of ES cell-derived mice with single gene knockouts or more extensive chromosomal rearrangements.  (+info)

Estimation of pairwise relatedness with molecular markers. (4/432)

Applications of quantitative genetics and conservation genetics often require measures of pairwise relationships between individuals, which, in the absence of known pedigree structure, can be estimated only by use of molecular markers. Here we introduce methods for the joint estimation of the two-gene and four-gene coefficients of relationship from data on codominant molecular markers in randomly mating populations. In a comparison with other published estimators of pairwise relatedness, we find these new "regression" estimators to be computationally simpler and to yield similar or lower sampling variances, particularly when many loci are used or when loci are hypervariable. Two examples are given in which the new estimators are applied to natural populations, one that reveals isolation-by-distance in an annual plant and the other that suggests a genetic basis for a coat color polymorphism in bears.  (+info)

Combination immunotherapy of B16 melanoma using anti-cytotoxic T lymphocyte-associated antigen 4 (CTLA-4) and granulocyte/macrophage colony-stimulating factor (GM-CSF)-producing vaccines induces rejection of subcutaneous and metastatic tumors accompanied by autoimmune depigmentation. (5/432)

We examined the effectiveness of cytotoxic T lymphocyte-associated antigen 4 (CTLA-4) blockade, alone or in combination with a granulocyte/macrophage colony-stimulating factor (GM-CSF)-expressing tumor cell vaccine, on rejection of the highly tumorigenic, poorly immunogenic murine melanoma B16-BL6. Recently established tumors could be eradicated in 80% (68/85) of the cases using combination treatment, whereas each treatment by itself showed little or no effect. Tumor rejection was dependent on CD8(+) and NK1.1(+) cells but occurred irrespective of the presence of CD4(+) T cells. Mice surviving a primary challenge rejected a secondary challenge with B16-BL6 or the parental B16-F0 line. The same treatment regimen was found to be therapeutically effective against outgrowth of preestablished B16-F10 lung metastases, inducing long-term survival. Of all mice surviving B16-BL6 or B16-F10 tumors after combination treatment, 56% (38/68) developed depigmentation, starting at the site of vaccination or challenge and in most cases progressing to distant locations. Depigmentation was found to occur in CD4-depleted mice, strongly suggesting that the effect was mediated by CTLs. This study shows that CTLA-4 blockade provides a powerful tool to enhance T cell activation and memory against a poorly immunogenic spontaneous murine tumor and that this may involve recruitment of autoreactive T cells.  (+info)

Subcellular localization of GFP-myosin-V in live mouse melanocytes. (6/432)

Class-V myosins are two-headed actin-based mechanoenzymes that function in the transport and subcellular localization of organelles and possibly in the outgrowth of cellular processes. To determine which domains of myosin-V are involved in intracellular localization of this motor protein, we have expressed fusions of the green fluorescent protein with segments from two distinct myosin-V heavy chains. The expression patterns of constructs encoding four different domains of chick brain myosin-Va were compared to a single construct encoding the globular tail region of mouse myosin-Vb. In transfected mouse melanocytes, expression of the NH(2)-terminal head (catalytic domain) of chick brain myosin-Va codistributed with actin filaments throughout the cytoplasm. A similar construct encoding the myosin-Va head with the associated neck (light chain binding sites), also codistributed with actin filaments. The GFP-head-neck peptide was also highly concentrated in the tips of filopodia in B16 melanocytes wild type for myosin-Va (MYO5a gene), but was concentrated throughout the entire filopodia of S91-6 melanocytes derived from dilute mice with mutations in the MYO5a gene. Evidence is also presented that the globular tail of myosin-Va, but not myosin-Vb, targets this motor molecule to the centrosome as confirmed by colocalization in cells stained with antibodies to (gamma)-tubulin. Expression of the GFP-myosin-Va globular tail causes displacement of endogenous myosin-V from centrosomes as visualized by immunolabeling with antibodies to the head domain of myosin-V. Treatment with the microtubule-disrupting drug nocodazole markedly reduces myosin-V staining at the centrosome. In contrast, there was no detectable diminution of myosin-V staining at the centrosome in cells treated with the actin filament-disrupting drug cytochalasin D. Thus, while localization of the myosin-V motor domain to actin-rich regions is consistent with conventional models of actomyosin-based motility, localization to the centrosome occurs in the complete absence of the myosin-V motor domain and is dependent on intact microtubules.  (+info)

Induction of melanoma in TPras transgenic mice. (7/432)

In order to study the oncogenesis of melanocytes, transgenic mouse lines were established that express a mutated human Ha-ras (TPras) gene in pigment producing cells. The ras transgenic mice exhibit an altered phenotype, including melanocytic hyperplasia and a muted agouti coat, indicative of hyperproliferative melanocytes. These mice and their wild-type littermates have been subjected to a variety of carcinogenesis protocols, including 7, 12-dimethylbenz-[a]anthracene (DMBA), 12-O-tetradecanoylphorbol-13-acetate (TPA) and UV radiation exposure. Topical DMBA treatment of TPras mice resulted in a high incidence of melanomas. Metastatic lesions were observed in skin, lungs and lymph nodes. TPA treatment of TPras mice induced a small number of papillomas but no nevi or melanomas. UV light exposures induced papillomas in negative littermate and melanomas in some albino TPras mice. These results show that melanocytes expressing an activated Ha-ras in the TPras transgenic mice are susceptible to induction of melanoma by DMBA.  (+info)

Oral contraceptive use and risk of melanoma in premenopausal women. (8/432)

Melanoma has been increasing in white populations. Incidence rates rise steeply in women until about age 50, suggesting oestrogen as a possible risk factor. Oestrogens can increase melanocyte count and melanin content and cause hyperpigmentation of the skin. We examined prospectively the association between oral contraceptive (OC) use and diagnoses of superficial spreading and nodular melanoma among 183,693 premenopausal white women in the Nurses' Health Study (NHS) and the Nurses' Health Study II (NHS II) cohorts. One hundred and forty six cases were confirmed in NHS during follow-up from 1976 to 1994, and 106 cases were confirmed in NHS II from 1989 to 1995. Skin reaction to sun exposure, sunburn history, mole counts, hair colour, family history of melanoma, parity, height and body mass index were also assessed and included in logistic regression models. A significant twofold increase in risk of melanoma (relative risk (RR) = 2.0, 95% confidence interval (CI) 1.2-3.4) was observed among current OC users compared to never users. Risk was further increased among current users with 10 or more years of use (RR = 3.4, 95% CI 1.7-7.0). Risk did not appear elevated among past OC users, even among those with longer durations of use, and risk did not decline linearly with time since last use. In conclusion, risk of premenopausal melanoma may be increased among women who are current OC users, particularly among those with longer durations of use. Further research is needed to determine whether low-dose oestrogen pills in particular are associated with an increase in risk and to describe possible interactions between OC use and sun exposure or other risk factors for melanoma.  (+info)

I'm sorry for any confusion, but "hair color" is not a term that has a medical definition in the same way that a term like "myocardial infarction" (heart attack) does. Hair color can be described in various ways, such as being a natural hair color (like blonde, brunette, red, or black) or describing a change in hair color due to factors like aging (gray or white hairs) or hair dye usage.

However, it's worth noting that changes in hair color can sometimes be associated with certain medical conditions. For example, premature graying of the hair before the age of 30 can be a feature of certain genetic disorders or vitamin B12 deficiency. Similarly, some skin conditions like alopecia areata or vitiligo can cause patchy changes in hair color. But these associations don't provide a medical definition for 'hair color'.

Medically, hair is defined as a threadlike structure that grows from the follicles found in the skin of mammals. It is primarily made up of a protein called keratin and consists of three parts: the medulla (the innermost part or core), the cortex (middle layer containing keratin filaments) and the cuticle (outer layer of overlapping scales).

Hair growth occurs in cycles, with each cycle consisting of a growth phase (anagen), a transitional phase (catagen), and a resting phase (telogen). The length of hair is determined by the duration of the anagen phase.

While hair plays a crucial role in protecting the skin from external factors like UV radiation, temperature changes, and physical damage, it also serves as an essential aspect of human aesthetics and identity.

In the context of medical terminology, 'color' is not defined specifically with a unique meaning. Instead, it generally refers to the characteristic or appearance of something, particularly in relation to the color that a person may observe visually. For instance, doctors may describe the color of a patient's skin, eyes, hair, or bodily fluids to help diagnose medical conditions or monitor their progression.

For example, jaundice is a yellowing of the skin and whites of the eyes that can indicate liver problems, while cyanosis refers to a bluish discoloration of the skin and mucous membranes due to insufficient oxygen in the blood. Similarly, doctors may describe the color of stool or urine to help diagnose digestive or kidney issues.

Therefore, 'color' is not a medical term with a specific definition but rather a general term used to describe various visual characteristics of the body and bodily fluids that can provide important diagnostic clues for healthcare professionals.

A melanocortin receptor (MCR) is a type of G protein-coupled receptor that binds melanocortin peptides. The melanocortin-1 receptor (MC1R) is one of five known subtypes of MCRs (MC1R-MC5R).

The MC1R is primarily expressed in melanocytes, which are pigment-producing cells located in the skin, hair follicles, and eyes. This receptor plays a crucial role in determining the type of melanin that is produced in response to environmental stimuli such as UV radiation.

Activation of the MC1R by its endogenous ligands, including α-melanocyte-stimulating hormone (α-MSH) and adrenocorticotropic hormone (ACTH), leads to the activation of adenylate cyclase and an increase in intracellular cAMP levels. This results in the activation of protein kinase A and the phosphorylation of key transcription factors, which ultimately promote the expression of genes involved in melanin synthesis.

Mutations in the MC1R gene have been associated with various pigmentation disorders, including red hair color, fair skin, and an increased risk of developing skin cancer. Additionally, polymorphisms in the MC1R gene have been linked to an increased risk of developing other diseases such as obesity and type 2 diabetes.

Skin pigmentation is the coloration of the skin that is primarily determined by two types of melanin pigments, eumelanin and pheomelanin. These pigments are produced by melanocytes, which are specialized cells located in the epidermis. Eumelanin is responsible for brown or black coloration, while pheomelanin produces a red or yellow hue.

The amount and distribution of melanin in the skin can vary depending on genetic factors, age, sun exposure, and various other influences. Increased production of melanin in response to UV radiation from the sun helps protect the skin from damage, leading to darkening or tanning of the skin. However, excessive sun exposure can also cause irregular pigmentation, such as sunspots or freckles.

Abnormalities in skin pigmentation can result from various medical conditions, including albinism (lack of melanin production), vitiligo (loss of melanocytes leading to white patches), and melasma (excessive pigmentation often caused by hormonal changes). These conditions may require medical treatment to manage or improve the pigmentation issues.

Eye color is a characteristic determined by variations in a person's genes. The color of the eyes depends on the amount and type of pigment called melanin found in the eye's iris.

There are three main types of eye colors: brown, blue, and green. Brown eyes have the most melanin, while blue eyes have the least. Green eyes have a moderate amount of melanin combined with a golden tint that reflects light to give them their unique color.

Eye color is a polygenic trait, which means it is influenced by multiple genes. The two main genes responsible for eye color are OCA2 and HERC2, both located on chromosome 15. These genes control the production, transport, and storage of melanin in the iris.

It's important to note that eye color can change during infancy and early childhood due to the development of melanin in the iris. Additionally, some medications or medical conditions may also cause changes in eye color over time.

Genetic determinism is a philosophical concept that suggests that our genetic makeup is the sole determining factor for our traits, behaviors, and diseases. According to this perspective, our genes dictate our development, personality, health outcomes, and other aspects of our lives, with little or no influence from environmental factors or personal choices.

However, this view has been largely discredited by modern genetic research, which has shown that the relationship between genes and traits is much more complex than previously thought. Most traits are influenced by a combination of multiple genes (known as polygenic inheritance) and environmental factors, making it difficult to predict outcomes based solely on genetics.

It's important to note that while our genes can influence our risk for certain diseases or conditions, they do not determine our destiny. Lifestyle choices, environment, and other factors can also play a significant role in shaping our health and well-being.

Color perception refers to the ability to detect, recognize, and differentiate various colors and color patterns in the visual field. This complex process involves the functioning of both the eyes and the brain.

The eye's retina contains two types of photoreceptor cells called rods and cones. Rods are more sensitive to light and dark changes and help us see in low-light conditions, but they do not contribute much to color vision. Cones, on the other hand, are responsible for color perception and function best in well-lit conditions.

There are three types of cone cells, each sensitive to a particular range of wavelengths corresponding to blue, green, and red colors. The combination of signals from these three types of cones allows us to perceive a wide spectrum of colors.

The brain then interprets these signals and translates them into the perception of different colors and hues. It is important to note that color perception can be influenced by various factors, including cultural background, personal experiences, and even language. Some individuals may also have deficiencies in color perception due to genetic or acquired conditions, such as color blindness or cataracts.

A hair follicle is a part of the human skin from which hair grows. It is a complex organ that consists of several layers, including an outer root sheath, inner root sheath, and matrix. The hair follicle is located in the dermis, the second layer of the skin, and is surrounded by sebaceous glands and erector pili muscles.

The hair growth cycle includes three phases: anagen (growth phase), catagen (transitional phase), and telogen (resting phase). During the anagen phase, cells in the matrix divide rapidly to produce new hair fibers that grow out of the follicle. The hair fiber is made up of a protein called keratin, which also makes up the outer layers of the skin and nails.

Hair follicles are important for various biological functions, including thermoregulation, sensory perception, and social communication. They also play a role in wound healing and can serve as a source of stem cells that can differentiate into other cell types.

Melanin is a pigment that determines the color of skin, hair, and eyes in humans and animals. It is produced by melanocytes, which are specialized cells found in the epidermis (the outer layer of the skin) and the choroid (the vascular coat of the eye). There are two main types of melanin: eumelanin and pheomelanin. Eumelanin is a black or brown pigment, while pheomelanin is a red or yellow pigment. The amount and type of melanin produced by an individual can affect their skin and hair color, as well as their susceptibility to certain diseases, such as skin cancer.

Pigmentation, in a medical context, refers to the coloring of the skin, hair, or eyes due to the presence of pigment-producing cells called melanocytes. These cells produce a pigment called melanin, which determines the color of our skin, hair, and eyes.

There are two main types of melanin: eumelanin and pheomelanin. Eumelanin is responsible for brown or black coloration, while pheomelanin produces a red or yellow hue. The amount and type of melanin produced by melanocytes can vary from person to person, leading to differences in skin color and hair color.

Changes in pigmentation can occur due to various factors such as genetics, exposure to sunlight, hormonal changes, inflammation, or certain medical conditions. For example, hyperpigmentation refers to an excess production of melanin that results in darkened patches on the skin, while hypopigmentation is a condition where there is a decreased production of melanin leading to lighter or white patches on the skin.

Auditory hair cells are specialized sensory receptor cells located in the inner ear, more specifically in the organ of Corti within the cochlea. They play a crucial role in hearing by converting sound vibrations into electrical signals that can be interpreted by the brain.

These hair cells have hair-like projections called stereocilia on their apical surface, which are embedded in a gelatinous matrix. When sound waves reach the inner ear, they cause the fluid within the cochlea to move, which in turn causes the stereocilia to bend. This bending motion opens ion channels at the tips of the stereocilia, allowing positively charged ions (such as potassium) to flow into the hair cells and trigger a receptor potential.

The receptor potential then leads to the release of neurotransmitters at the base of the hair cells, which activate afferent nerve fibers that synapse with these cells. The electrical signals generated by this process are transmitted to the brain via the auditory nerve, where they are interpreted as sound.

There are two types of auditory hair cells: inner hair cells and outer hair cells. Inner hair cells are the primary sensory receptors responsible for transmitting information about sound to the brain. They make direct contact with afferent nerve fibers and are more sensitive to mechanical stimulation than outer hair cells.

Outer hair cells, on the other hand, are involved in amplifying and fine-tuning the mechanical response of the inner ear to sound. They have a unique ability to contract and relax in response to electrical signals, which allows them to adjust the stiffness of their stereocilia and enhance the sensitivity of the cochlea to different frequencies.

Damage or loss of auditory hair cells can lead to hearing impairment or deafness, as these cells cannot regenerate spontaneously in mammals. Therefore, understanding the structure and function of hair cells is essential for developing therapies aimed at treating hearing disorders.

Piebaldism is a rare genetic disorder characterized by the presence of white patches of skin and hair due to a lack of melanin, the pigment that gives color to skin, hair, and eyes. These patches are present from birth and typically involve the forehead, chin, and midline of the body. The condition is caused by mutations in the KIT or SLC45A2 genes and is usually inherited in an autosomal dominant pattern, meaning only one copy of the altered gene is needed to cause the disorder. Piebaldism is not harmful to a person's overall health, but it can have significant psychological effects due to its impact on appearance.

I'm sorry for any confusion, but "Hoof and Claw" is not a medical term or condition. The term "hoof" refers to the hard covering on the toes of animals such as horses, cows, and other ungulates, while "claw" refers to the sharp nail-like structure found on the toes of animals such as cats, dogs, and birds.

If you have any questions related to medical terminology or health concerns, I would be happy to try to help answer them for you.

Color vision is the ability to perceive and differentiate colors, which is a result of the way that our eyes and brain process different wavelengths of light. In the eye, there are two types of photoreceptor cells called rods and cones. While rods are more sensitive to low levels of light and help us see in dim conditions, cones are responsible for color vision.

There are three types of cone cells in the human eye, each containing a different type of pigment that is sensitive to specific wavelengths of light. One type of cone cell is most sensitive to short wavelengths (blue light), another is most sensitive to medium wavelengths (green light), and the third is most sensitive to long wavelengths (red light). When light enters the eye, it is absorbed by these pigments in the cones, which then send signals to the brain. The brain interprets these signals and translates them into the perception of color.

People with normal color vision can distinguish between millions of different colors based on the specific combinations of wavelengths that are present in a given scene. However, some people have deficiencies or abnormalities in their color vision, which can make it difficult or impossible to distinguish between certain colors. These conditions are known as color vision deficiencies or color blindness.

Melanocortin receptors (MCRs) are a group of G protein-coupled receptors that bind melanocortin peptides, which include α-, β-, and γ-melanocyte stimulating hormones (MSH) and adrenocorticotropic hormone (ACTH). These receptors are involved in a variety of physiological processes, including pigmentation, energy homeostasis, sexual function, and inflammation. There are five subtypes of melanocortin receptors (MCR1-5) that are expressed in different tissues and have distinct functions.

MCR1 is primarily expressed in melanocytes and plays a crucial role in skin and hair pigmentation. Activation of MCR1 by α-MSH leads to the production and distribution of eumelanin, which results in darker skin and hair.

MCR2 is widely expressed in the central nervous system (CNS) and peripheral tissues, including the adrenal gland, testis, and ovary. It is involved in various functions such as sexual function, feeding behavior, and energy homeostasis.

MCR3 is primarily expressed in the adrenal gland and plays a critical role in the regulation of steroid hormone production and release. Activation of MCR3 by ACTH leads to the synthesis and secretion of cortisol and other steroid hormones.

MCR4 is widely expressed in the CNS, peripheral tissues, and immune cells. It is involved in various functions such as energy homeostasis, feeding behavior, sexual function, and inflammation.

MCR5 is primarily expressed in the testis and plays a role in spermatogenesis and fertility.

Overall, melanocortin receptors are important regulators of various physiological processes, and dysregulation of these receptors has been implicated in several diseases, including obesity, metabolic disorders, and skin disorders.

Forensic genetics is a branch of forensic science that involves the use of genetic methods and technologies to establish identity or determine relationships between individuals in legal investigations. It primarily deals with the analysis of DNA (deoxyribonucleic acid) samples collected from crime scenes, victims, or suspects to generate profiles that can be compared in order to identify individuals or link them to evidence.

Forensic genetics also includes other applications such as:

1. Parentage testing: Determining biological relationships between family members, often used in cases of disputed paternity or immigration cases.
2. Disaster victim identification: Identifying victims in mass disasters by comparing DNA samples from recovered remains with those from relatives.
3. Ancestry analysis: Inferring an individual's geographical origin or population affiliations based on their genetic markers.
4. Forensic phenotyping: Predicting physical traits like appearance, hair color, and eye color from DNA samples to assist in identifying unknown individuals.

The main goal of forensic genetics is to provide unbiased, scientific evidence that can aid in criminal investigations and legal proceedings while adhering to strict ethical guidelines and quality standards.

Corticotropin receptors are a type of cell surface receptor that bind to the hormone corticotropin (also known as adrenocorticotropic hormone or ACTH). These receptors are found in various tissues throughout the body, including the adrenal glands.

There are two main types of corticotropin receptors, known as melanocortin receptor 1 (MC1R) and melanocortin receptor 2 (MC2R). MC2R is the primary receptor for corticotropin in the adrenal glands. When corticotropin binds to this receptor, it stimulates the production and release of steroid hormones, such as cortisol, which help regulate metabolism, immune response, and stress response.

Abnormalities in corticotropin receptors have been implicated in several medical conditions, including certain endocrine disorders and skin pigmentation disorders.

Color perception tests are a type of examination used to evaluate an individual's ability to perceive and distinguish different colors. These tests typically consist of a series of plates or images that contain various patterns or shapes displayed in different colors. The person being tested is then asked to identify or match the colors based on specific instructions.

There are several types of color perception tests, including:

1. Ishihara Test: This is a commonly used test for red-green color deficiency. It consists of a series of plates with circles made up of dots in different sizes and colors. Within these circles, there may be a number or symbol visible only to those with normal color vision or to those with specific types of color blindness.
2. Farnsworth D-15 Test: This test measures an individual's ability to arrange colored caps in a specific order based on their hue. It is often used to diagnose and monitor the progression of color vision deficiencies.
3. Hardy-Rand-Rittler (HRR) Test: This is another type of color arrangement test that measures an individual's ability to distinguish between different colors based on their hue, saturation, and brightness.
4. Color Discrimination Tests: These tests measure an individual's ability to distinguish between two similar colors that are presented side by side or in close proximity.
5. Anomaloscope Test: This is a more sophisticated test that measures the degree of color vision deficiency by asking the person to match the brightness and hue of two lights.

Color perception tests are often used in occupational settings, such as aviation, military, and manufacturing, where color discrimination is critical for safety and performance. They may also be used in educational and clinical settings to diagnose and monitor color vision deficiencies.

"Health occupations" is a broad term that refers to careers or professions involved in the delivery, management, and improvement of health services. These occupations encompass a wide range of roles, including but not limited to:

1. Healthcare providers: This group includes medical doctors (MDs), doctors of osteopathic medicine (DOs), nurses, nurse practitioners, physician assistants, dentists, dental hygienists, optometrists, pharmacists, and other professionals who provide direct patient care.
2. Allied health professionals: These are healthcare workers who provide diagnostic, technical, therapeutic, and support services. Examples include respiratory therapists, radiologic technologists, dietitians, occupational therapists, physical therapists, speech-language pathologists, and medical laboratory scientists.
3. Public health professionals: This group focuses on preventing diseases and promoting community health. They work in various settings, such as government agencies, non-profit organizations, and academic institutions, addressing public health issues like infectious disease control, environmental health, health education, and policy development.
4. Health administrators and managers: These professionals oversee the operations of healthcare facilities, including hospitals, clinics, nursing homes, and managed care organizations. They ensure that resources are used efficiently, that services meet quality standards, and that regulatory requirements are met.
5. Health educators: These individuals work in various settings to promote health awareness and teach individuals and communities about healthy behaviors and practices.
6. Health information specialists: Professionals in this field manage and analyze health data, maintain medical records, and ensure the security and privacy of patient information.

Overall, health occupations play a crucial role in maintaining, promoting, and restoring the health and well-being of individuals and communities.

A nevus, also known as a mole, is a benign growth or mark on the skin that is usually brown or black. It can be raised or flat and can appear anywhere on the body. Nevi are made up of cells called melanocytes, which produce the pigment melanin. Most nevi develop in childhood or adolescence, but they can also appear later in life. Some people have many nevi, while others have few or none.

There are several types of nevi, including:

* Common nevi: These are the most common type of mole and are usually small, round, and brown or black. They can be flat or raised and can appear anywhere on the body.
* Atypical nevi: These moles are larger than common nevi and have irregular borders and color. They may be flat or raised and can appear anywhere on the body, but are most commonly found on the trunk and extremities. Atypical nevi are more likely to develop into melanoma, a type of skin cancer, than common nevi.
* Congenital nevi: These moles are present at birth and can vary in size from small to large. They are more likely to develop into melanoma than moles that develop later in life.
* Spitz nevi: These are rare, benign growths that typically appear in children and adolescents. They are usually pink or red and dome-shaped.

It is important to monitor nevi for changes in size, shape, color, and texture, as these can be signs of melanoma. If you notice any changes in a mole, or if you have a new mole that is unusual or bleeding, it is important to see a healthcare provider for further evaluation.

Ultrasonography, Doppler, color is a type of diagnostic ultrasound technique that uses the Doppler effect to produce visual images of blood flow in vessels and the heart. The Doppler effect is the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the source of the wave. In this context, it refers to the change in frequency of the ultrasound waves as they reflect off moving red blood cells.

In color Doppler ultrasonography, different colors are used to represent the direction and speed of blood flow. Red typically represents blood flowing toward the transducer (the device that sends and receives sound waves), while blue represents blood flowing away from the transducer. The intensity or brightness of the color is proportional to the velocity of blood flow.

Color Doppler ultrasonography is often used in conjunction with grayscale ultrasound imaging, which provides information about the structure and composition of tissues. Together, these techniques can help diagnose a wide range of conditions, including heart disease, blood clots, and abnormalities in blood flow.

I'm sorry for any confusion, but "sunlight" is not a term with a specific medical definition. However, sunlight does have various implications in the field of medicine. It is the light that comes from the sun, which is a star at the center of our solar system. Sunlight is essential for the production of vitamin D in humans, and it can also have effects on mood and sleep patterns due to its influence on circadian rhythms.

In a medical context, sunlight is often discussed in relation to its potential health benefits and risks. For instance, moderate sun exposure can help increase vitamin D levels, which are important for bone health, immune function, and other bodily processes. However, excessive sun exposure can lead to harmful effects, such as sunburn, premature skin aging, and an increased risk of skin cancer.

It's essential to balance the benefits and risks of sunlight exposure by practicing safe sun habits, such as wearing protective clothing, using a broad-spectrum sunscreen with an SPF of at least 30, seeking shade during peak sunlight hours, and avoiding intentional tanning.

Skin neoplasms refer to abnormal growths or tumors in the skin that can be benign (non-cancerous) or malignant (cancerous). They result from uncontrolled multiplication of skin cells, which can form various types of lesions. These growths may appear as lumps, bumps, sores, patches, or discolored areas on the skin.

Benign skin neoplasms include conditions such as moles, warts, and seborrheic keratoses, while malignant skin neoplasms are primarily classified into melanoma, squamous cell carcinoma, and basal cell carcinoma. These three types of cancerous skin growths are collectively known as non-melanoma skin cancers (NMSCs). Melanoma is the most aggressive and dangerous form of skin cancer, while NMSCs tend to be less invasive but more common.

It's essential to monitor any changes in existing skin lesions or the appearance of new growths and consult a healthcare professional for proper evaluation and treatment if needed.

Color vision defects, also known as color blindness, are conditions in which a person has difficulty distinguishing between certain colors. The most common types of color vision defects involve the inability to distinguish between red and green or blue and yellow. These deficiencies result from an alteration or absence of one or more of the three types of cone cells in the retina that are responsible for normal color vision.

In red-green color vision defects, there is a problem with either the red or green cones, or both. This results in difficulty distinguishing between these two colors and their shades. Protanopia is a type of red-green color vision defect where there is an absence of red cone cells, making it difficult to distinguish between red and green as well as between red and black or green and black. Deuteranopia is another type of red-green color vision defect where there is an absence of green cone cells, resulting in similar difficulties distinguishing between red and green, as well as between blue and yellow.

Blue-yellow color vision defects are less common than red-green color vision defects. Tritanopia is a type of blue-yellow color vision defect where there is an absence of blue cone cells, making it difficult to distinguish between blue and yellow, as well as between blue and purple or yellow and pink.

Color vision defects are usually inherited and present from birth, but they can also result from eye diseases, chemical exposure, aging, or medication side effects. They affect both men and women, although red-green color vision defects are more common in men than in women. People with color vision defects may have difficulty with tasks that require color discrimination, such as matching clothes, selecting ripe fruit, reading colored maps, or identifying warning signals. However, most people with mild to moderate color vision defects can adapt and function well in daily life.

Hair diseases is a broad term that refers to various medical conditions affecting the hair shaft, follicle, or scalp. These conditions can be categorized into several types, including:

1. Hair shaft abnormalities: These are conditions that affect the structure and growth of the hair shaft. Examples include trichorrhexis nodosa, where the hair becomes weak and breaks easily, and pili torti, where the hair shaft is twisted and appears sparse and fragile.
2. Hair follicle disorders: These are conditions that affect the hair follicles, leading to hair loss or abnormal growth patterns. Examples include alopecia areata, an autoimmune disorder that causes patchy hair loss, and androgenetic alopecia, a genetic condition that leads to pattern baldness in both men and women.
3. Scalp disorders: These are conditions that affect the scalp, leading to symptoms such as itching, redness, scaling, or pain. Examples include seborrheic dermatitis, psoriasis, and tinea capitis (ringworm of the scalp).
4. Hair cycle abnormalities: These are conditions that affect the normal growth cycle of the hair, leading to excessive shedding or thinning. Examples include telogen effluvium, where a large number of hairs enter the resting phase and fall out, and anagen effluvium, which is typically caused by chemotherapy or radiation therapy.
5. Infectious diseases: Hair follicles can become infected with various bacteria, viruses, or fungi, leading to conditions such as folliculitis, furunculosis, and kerion.
6. Genetic disorders: Some genetic disorders can affect the hair, such as Menkes syndrome, which is a rare inherited disorder that affects copper metabolism and leads to kinky, sparse, and brittle hair.

Proper diagnosis and treatment of hair diseases require consultation with a healthcare professional, often a dermatologist or a trichologist who specializes in hair and scalp disorders.

Auditory inner hair cells are specialized sensory receptor cells located in the inner ear, more specifically in the organ of Corti within the cochlea. They play a crucial role in hearing by converting mechanical sound energy into electrical signals that can be processed and interpreted by the brain.

Human ears have about 3,500 inner hair cells arranged in one row along the length of the basilar membrane in each cochlea. These hair cells are characterized by their stereocilia, which are hair-like projections on the apical surface that are embedded in a gelatinous matrix called the tectorial membrane.

When sound waves cause the basilar membrane to vibrate, the stereocilia of inner hair cells bend and deflect. This deflection triggers a cascade of biochemical events leading to the release of neurotransmitters at the base of the hair cell. These neurotransmitters then stimulate the afferent auditory nerve fibers (type I fibers) that synapse with the inner hair cells, transmitting the electrical signals to the brain for further processing and interpretation as sound.

Damage or loss of these inner hair cells can lead to significant hearing impairment or deafness, as they are essential for normal auditory function. Currently, there is no effective way to regenerate damaged inner hair cells in humans, making hearing loss due to their damage permanent.

Interferon Regulatory Factors (IRFs) are a family of transcription factors that play crucial roles in the regulation of immune responses, particularly in the expression of interferons (IFNs) and other genes involved in innate immunity and inflammation. In humans, there are nine known IRF proteins (IRF1-9), each with distinct functions and patterns of expression.

The primary function of IRFs is to regulate the transcription of type I IFNs (IFN-α and IFN-β) and other immune response genes in response to various stimuli, such as viral infections, bacterial components, and proinflammatory cytokines. IRFs can either activate or repress gene expression by binding to specific DNA sequences called interferon-stimulated response elements (ISREs) and/or IFN consensus sequences (ICSs) in the promoter regions of target genes.

IRF1, IRF3, and IRF7 are primarily involved in type I IFN regulation, with IRF1 acting as a transcriptional activator for IFN-β and various ISRE-containing genes, while IRF3 and IRF7 function as master regulators of the type I IFN response to viral infections. Upon viral recognition by pattern recognition receptors (PRRs), IRF3 and IRF7 are activated through phosphorylation and translocate to the nucleus, where they induce the expression of type I IFNs and other antiviral genes.

IRF2, IRF4, IRF5, and IRF8 have more diverse roles in immune regulation, including the control of T-cell differentiation, B-cell development, and myeloid cell function. For example, IRF4 is essential for the development and function of Th2 cells, while IRF5 and IRF8 are involved in the differentiation of dendritic cells and macrophages.

IRF6 and IRF9 have unique functions compared to other IRFs. IRF6 is primarily involved in epithelial cell development and differentiation, while IRF9 forms a complex with STAT1 and STAT2 to regulate the transcription of IFN-stimulated genes (ISGs) during the type I IFN response.

In summary, IRFs are a family of transcription factors that play crucial roles in various aspects of immune regulation, including antiviral responses, T-cell and B-cell development, and myeloid cell function. Dysregulation of IRF activity can lead to the development of autoimmune diseases, chronic inflammation, and cancer.

Hair removal is the deliberate elimination or reduction of body hair. This can be achieved through various methods, both temporary and permanent. Some common temporary methods include shaving, waxing, tweezing, and depilatory creams. Permanent methods may involve laser hair removal or electrolysis, which target the hair follicle to prevent future growth. It's important to note that some methods can have side effects or risks, so it's recommended to consult with a healthcare professional or dermatologist before starting any new hair removal regimen.

Melanoma is defined as a type of cancer that develops from the pigment-containing cells known as melanocytes. It typically occurs in the skin but can rarely occur in other parts of the body, including the eyes and internal organs. Melanoma is characterized by the uncontrolled growth and multiplication of melanocytes, which can form malignant tumors that invade and destroy surrounding tissue.

Melanoma is often caused by exposure to ultraviolet (UV) radiation from the sun or tanning beds, but it can also occur in areas of the body not exposed to the sun. It is more likely to develop in people with fair skin, light hair, and blue or green eyes, but it can affect anyone, regardless of their skin type.

Melanoma can be treated effectively if detected early, but if left untreated, it can spread to other parts of the body and become life-threatening. Treatment options for melanoma include surgery, radiation therapy, chemotherapy, immunotherapy, and targeted therapy, depending on the stage and location of the cancer. Regular skin examinations and self-checks are recommended to detect any changes or abnormalities in moles or other pigmented lesions that may indicate melanoma.

Hair dyes are chemical substances that are used to change the color of hair. They contain various types of dyes, including natural dyes derived from plants and minerals, synthetic dyes, and combinations of both. Hair dyes work by penetrating the outer layer of the hair shaft (the cuticle) and bonding with the hair's pigment (melanin) or depositing new color particles within the hair shaft.

There are three main types of hair dyes: temporary, semi-permanent, and permanent. Temporary hair dyes coat the outside of the hair shaft and wash out after a few shampoos. Semi-perermanent hair dyes penetrate slightly into the hair shaft and fade gradually over several washes. Permanent hair dyes contain chemicals that open the cuticle and allow the dye to penetrate deep into the hair shaft, where it reacts with the hair's natural pigment to create a new color that is resistant to fading and washing out.

It is important to note that some hair dyes may contain potentially harmful chemicals, such as coal tar dyes, para-phenylenediamine (PPD), and resorcinol, which have been linked to allergic reactions, skin irritation, and other health problems. It is recommended to perform a patch test before using any new hair dye product and to follow the manufacturer's instructions carefully to minimize the risk of adverse effects.

Vestibular hair cells are specialized sensory receptor cells located in the vestibular system of the inner ear. They play a crucial role in detecting and mediating our sense of balance and spatial orientation by converting mechanical stimuli, such as head movements and gravity, into electrical signals that are sent to the brain.

The hair cells are shaped like a tuft of hair, with stereocilia projecting from their tops. These stereocilia are arranged in rows of graded height, and they are embedded in a gel-like structure within the vestibular organ. When the head moves or changes position, the movement causes deflection of the stereocilia, which opens ion channels at their tips and triggers nerve impulses that are sent to the brain via the vestibular nerve.

There are two types of vestibular hair cells: type I and type II. Type I hair cells have a large, spherical shape and are more sensitive to changes in head position, while type II hair cells are more cylindrical in shape and respond to both linear and angular acceleration. Together, these hair cells help us maintain our balance, coordinate our movements, and keep our eyes focused during head movements.

Hair preparations refer to cosmetic or grooming products that are specifically formulated to be applied to the hair or scalp for various purposes such as cleansing, conditioning, styling, coloring, or promoting hair growth. These preparations can come in different forms, including shampoos, conditioners, hair masks, serums, gels, mousses, sprays, and dyes. They may contain a wide range of ingredients, such as detergents, moisturizers, proteins, vitamins, minerals, and other nutrients that can help improve the health, appearance, and manageability of the hair. Some hair preparations may also contain medications or natural extracts that have therapeutic properties for treating specific hair or scalp conditions, such as dandruff, dryness, oiliness, thinning, or hair loss.

Auditory outer hair cells are specialized sensory receptor cells located in the cochlea of the inner ear. They are part of the organ of Corti and play a crucial role in hearing by converting sound energy into electrical signals that can be interpreted by the brain.

Unlike the more numerous and simpler auditory inner hair cells, outer hair cells are equipped with unique actin-based molecular motors called "motile" or "piezoelectric" properties. These motors enable the outer hair cells to change their shape and length in response to electrical signals, which in turn amplifies the mechanical vibrations of the basilar membrane where they are located. This amplification increases the sensitivity and frequency selectivity of hearing, allowing us to detect and discriminate sounds over a wide range of intensities and frequencies.

Damage or loss of outer hair cells is a common cause of sensorineural hearing loss, which can result from exposure to loud noises, aging, genetics, ototoxic drugs, and other factors. Currently, there are no effective treatments to regenerate or replace damaged outer hair cells, making hearing loss an irreversible condition in most cases.

Melanocytes are specialized cells that produce, store, and transport melanin, the pigment responsible for coloring of the skin, hair, and eyes. They are located in the bottom layer of the epidermis (the outermost layer of the skin) and can also be found in the inner ear and the eye's retina. Melanocytes contain organelles called melanosomes, which produce and store melanin.

Melanin comes in two types: eumelanin (black or brown) and pheomelanin (red or yellow). The amount and type of melanin produced by melanocytes determine the color of a person's skin, hair, and eyes. Exposure to UV radiation from sunlight increases melanin production as a protective response, leading to skin tanning.

Melanocyte dysfunction or abnormalities can lead to various medical conditions, such as albinism (lack of melanin production), melasma (excessive pigmentation), and melanoma (cancerous growth of melanocytes).

Carcinoma, basal cell is a type of skin cancer that arises from the basal cells, which are located in the lower part of the epidermis (the outermost layer of the skin). It is also known as basal cell carcinoma (BCC) and is the most common form of skin cancer.

BCC typically appears as a small, shiny, pearly bump or nodule on the skin, often in sun-exposed areas such as the face, ears, neck, hands, and arms. It may also appear as a scar-like area that is white, yellow, or waxy. BCCs are usually slow growing and rarely spread (metastasize) to other parts of the body. However, they can be locally invasive and destroy surrounding tissue if left untreated.

The exact cause of BCC is not known, but it is thought to be related to a combination of genetic and environmental factors, including exposure to ultraviolet (UV) radiation from the sun or tanning beds. People with fair skin, light hair, and blue or green eyes are at increased risk of developing BCC.

Treatment for BCC typically involves surgical removal of the tumor, along with a margin of healthy tissue. Other treatment options may include radiation therapy, topical chemotherapy, or photodynamic therapy. Prevention measures include protecting your skin from UV radiation by wearing protective clothing, using sunscreen, and avoiding tanning beds.

Tyrosinase, also known as monophenol monooxygenase, is an enzyme (EC 1.14.18.1) that catalyzes the ortho-hydroxylation of monophenols (like tyrosine) to o-diphenols (like L-DOPA) and the oxidation of o-diphenols to o-quinones. This enzyme plays a crucial role in melanin synthesis, which is responsible for the color of skin, hair, and eyes in humans and animals. Tyrosinase is found in various organisms, including plants, fungi, and animals. In humans, tyrosinase is primarily located in melanocytes, the cells that produce melanin. The enzyme's activity is regulated by several factors, such as pH, temperature, and metal ions like copper, which are essential for its catalytic function.

Antiporters, also known as exchange transporters, are a type of membrane transport protein that facilitate the exchange of two or more ions or molecules across a biological membrane in opposite directions. They allow for the movement of one type of ion or molecule into a cell while simultaneously moving another type out of the cell. This process is driven by the concentration gradient of one or both of the substances being transported. Antiporters play important roles in various physiological processes, including maintaining electrochemical balance and regulating pH levels within cells.

A phenotype is the physical or biochemical expression of an organism's genes, or the observable traits and characteristics resulting from the interaction of its genetic constitution (genotype) with environmental factors. These characteristics can include appearance, development, behavior, and resistance to disease, among others. Phenotypes can vary widely, even among individuals with identical genotypes, due to differences in environmental influences, gene expression, and genetic interactions.

I apologize for any confusion, but "Australia" is not a medical term or concept. It is the world's largest island and smallest continent, located in the Southern Hemisphere, surrounded by the Pacific and Indian Oceans. It is composed of many diverse ecosystems, including deserts, rainforests, and coastal areas, and is home to a wide variety of unique plant and animal species.

If you have any questions related to medical terminology or health-related topics, I would be happy to try and help answer them for you!

Vesicular transport proteins are specialized proteins that play a crucial role in the intracellular trafficking and transportation of various biomolecules, such as proteins and lipids, within eukaryotic cells. These proteins facilitate the formation, movement, and fusion of membrane-bound vesicles, which are small, spherical structures that carry cargo between different cellular compartments or organelles.

There are several types of vesicular transport proteins involved in this process:

1. Coat Proteins (COPs): These proteins form a coat around the vesicle membrane and help shape it into its spherical form during the budding process. They also participate in selecting and sorting cargo for transportation. Two main types of COPs exist: COPI, which is involved in transport between the Golgi apparatus and the endoplasmic reticulum (ER), and COPII, which mediates transport from the ER to the Golgi apparatus.

2. SNARE Proteins: These proteins are responsible for the specific recognition and docking of vesicles with their target membranes. They form complexes that bring the vesicle and target membranes close together, allowing for fusion and the release of cargo into the target organelle. There are two types of SNARE proteins: v-SNAREs (vesicle SNAREs) and t-SNAREs (target SNAREs), which interact to form a stable complex during membrane fusion.

3. Rab GTPases: These proteins act as molecular switches that regulate the recruitment of coat proteins, motor proteins, and SNAREs during vesicle transport. They cycle between an active GTP-bound state and an inactive GDP-bound state, controlling the various stages of vesicular trafficking, such as budding, transport, tethering, and fusion.

4. Tethering Proteins: These proteins help to bridge the gap between vesicles and their target membranes before SNARE-mediated fusion occurs. They play a role in ensuring specificity during vesicle docking and may also contribute to regulating the timing of membrane fusion events.

5. Soluble N-ethylmaleimide-sensitive factor Attachment Protein Receptors (SNAREs): These proteins are involved in intracellular transport, particularly in the trafficking of vesicles between organelles. They consist of a family of coiled-coil domain-containing proteins that form complexes to mediate membrane fusion events.

Overall, these various classes of proteins work together to ensure the specificity and efficiency of vesicular transport in eukaryotic cells. Dysregulation or mutation of these proteins can lead to various diseases, including neurodegenerative disorders and cancer.

Alopecia is a medical term that refers to the loss of hair or baldness. It can occur in various parts of the body, but it's most commonly used to describe hair loss from the scalp. Alopecia can have several causes, including genetics, hormonal changes, medical conditions, and aging.

There are different types of alopecia, such as:

* Alopecia Areata: It is a condition that causes round patches of hair loss on the scalp or other parts of the body. The immune system attacks the hair follicles, causing the hair to fall out.
* Androgenetic Alopecia: Also known as male pattern baldness or female pattern baldness, it's a genetic condition that causes gradual hair thinning and eventual hair loss, typically following a specific pattern.
* Telogen Effluvium: It is a temporary hair loss condition caused by stress, medication, pregnancy, or other factors that can cause the hair follicles to enter a resting phase, leading to shedding and thinning of the hair.

The treatment for alopecia depends on the underlying cause. In some cases, such as with telogen effluvium, hair growth may resume without any treatment. However, other forms of alopecia may require medical intervention, including topical treatments, oral medications, or even hair transplant surgery in severe cases.

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It is advisable to follow color removal with a clear color filler before attempting to color hair again because hair will be ... Hair dye stripping is a process used to rid the hair of unwanted deposited color.[citation needed] Hair dye stripping is a ... "Hair Color Chemistry: How Hair Coloring Works". Chemistry.about.com. Retrieved 2019-06-03. v t e (CS1 maint: archived copy as ... shrinking the molecules and allowing hair color to be washed out of the hair. Because of the chemical nature of hair dye ...
... as a result of their hair color. According to Lily Cole, who has red hair, being bullied as a child for red hair in the UK was ... Some people with red hair prefer the term auburn to describe their hair color. American author Mark Twain, who had red hair, ... Naturally occurring red hair appears in a small minority of humans and is the rarest natural hair color, occurring in 0.6 ... In some areas, people with red hair may be stereotyped as more "competent" than persons with other hair colors, which may ...
... , also known as orange hair or ginger hair, is a human hair color found in 1-2% of the world population, appearing with ... Red hair is the rarest natural hair color in humans. The non-tanning skin associated with red hair may have been advantageous ... The hair color "Titian" takes its name from the artist Titian, who often painted women with red hair. Early Renaissance artist ... The pigment pheomelanin gives red hair its distinctive color. Red hair has far more of the pigment pheomelanin than it has of ...
Hair texturism Human hair color Nasheed, Jameelah (April 10, 2018). "When Black Women Were Required By Law to Cover Their Hair ... and Stacey Abrams wearing natural hair. However, the popularity also resulted in increased attention to dress codes and hair ... California was the first state to do so in 2019 with the CROWN (Create a Respectful and Open Workplace for Natural Hair) Act ( ... To comply with Charles III's demand, Miró issued an edict that required Creole women to wear a tignon to conceal their hair. By ...
ISBN 0-394-46536-9. "Hair - Colored Spade". allthelyrics.com. Retrieved October 27, 2011. "Hair Cast Lyrics, Colored Spade ... In the song "Colored Spade" from the musical Hair (1967), the character Hud (a militant African-American) satirically assigns ...
Eye Color:Brown • Hair Color:Bald • Bench Press (1 rep max.): 535 lb • Deadlift (1 rep max.): 600 lb • Barbell Curl (1 rep max ...
Height? Well, he's about 5-foot-5 by 5-foot-5. Color of hair? Skin!" List of American films of 1958 Quiz Whizz at threestooges. ...
... persons can still be identified by their hair on other parts of their body. Alopecia Hair removal Hirsutism Human hair color ... This includes facial hair, chest hair, abdominal hair, leg hair, arm hair, and foot hair. (See Table 1 for development of male ... Like much of the hair on the human body, leg, arm, chest, and back hair begin as vellus hair. As people age, the hair in these ... Just as individual people differ in scalp hair color, they can also differ in pubic hair color. Differences in thickness, ...
... color and texture can be a sign of ethnic ancestry. Facial hair is a sign of puberty in men. White or gray hair is a sign ... Most common interest in hair is focused on hair growth, hair types, and hair care, but hair is also an important biomaterial ... Hair growth begins inside the hair follicle. The only "living" portion of the hair is found in the follicle. The hair that is ... Hair care involves the hygiene and cosmetology of hair including hair on the scalp, facial hair (beard and moustache), pubic ...
The hair, light brown in color, was full about the ears." Richards, Leonard L. (1986). The Life and Times of Congressman John ... Following is a list of American presidents who had facial hair at any time during their tenure. Truman had facial hair for a ... president with facial hair), are clean shaved, facial hair is expected to have a negative effect on the evaluation of ... "Although between Lincoln and Taft all but two presidents had facial hair, Pres. Taft was the last President to have facial hair ...
Long whiteblond hair and deep blue eyes. Like her mother, Moonmirror favors the color violet and looks all in all like a ... Long hair, color unknown. She was the former chieftess of the WaveDancers and possibly the first WaveDancer to be killed by men ... Short brown hair and ice blue eyes; favors the color red. Kroosh (male) - Son of Redcrest and Pearl, younger brother of Strand ... Long flame-red hair and green eyes. He's a hunter. He favors the color blue. Longfin (female) - Lifemate of Pirn and ...
"Selma Blair: Hair color". mylifetime.com. Archived from the original on January 29, 2013. Retrieved February 3, 2011. "Selma ...
It contains most of the hair's pigment, giving the hair its color. The major pigment in the cortex is melanin, which is also ... The cortex of the hair shaft is located between the hair cuticle and medulla and is the thickest hair layer. ... Page 8. ISBN 0-7216-2921-0. v t e (Hair anatomy, All stub articles, Dermatology stubs). ...
The chosen ink color matches the current color of the hair follicle. Although scalp micropigmentation is a permanent treatment ... A hair tattoo or scalp micropigmentation (SMP for short), is a non-surgical, superficial cosmetic tattoo that gives the ... The procedure can also be used to conceal scars from hair transplantation and hide the visual impact of burns or scars on the ... Elisabeth Leamy (May 31, 2012). "Considering a hair tattoo? Pro's and cons to consider before you commit". ABC News. Retrieved ...
Different hair color and follicle shape affects the timings of these phases. Anagen phase, 2-8 years (occasionally much longer ... A club hair is formed during the catagen phase when the part of the hair follicle in contact with the lower portion of the hair ... The club hair is the final product of a hair follicle in the telogen stage, and is a dead, fully keratinized hair. Fifty to one ... A bulb of keratin attaches to the bottom tip of the hair and keeps it in place while a new hair begins to grow below it. A hair ...
Bleaching the hair is a gradual process and different colors may be achieved dependent on the original hair color, application ... The appropriate color of the toner depends on the color of the bleached hair; e.g. to remove the yellow tones a violet toner ... Applied on black hair, the hair will change its color to brown, red, orange, orange-yellow, yellow, and finally pale yellow. ... Hair bleaching, is the practice of lightening the hair color mainly for cosmetic purposes using bleaching agents. Bleaching can ...
Blond is a hair color. Blond or Blondes may also refer to: Blond (surname) Blond, Haut-Vienne, France Blond Bay State Game ...
... "chief color consultant." By the 1980s, Blanchard also sold a line of hair care and coloring products. In 1982, Doubleday ... Blanchard, Leslie (1982). Leslie Blanchard's Hair-Coloring Book. Internet Archive. Garden City, N.Y: Doubleday. ISBN 978-0-385- ... Blanchard, Leslie; Hanle, Zack (1982). Leslie Blanchard's Hair-Coloring Book. Doubleday. ISBN 978-0-385-12484-3. Nemy, Enid ( ... In the early 1960s, he was the color director for the Antoine Salon, later called the "Leslie Blanchard Color Studio" at the ...
Blonde is a hair color. Blonde or The Blonde may also refer to: Blonde Ale, a type of beer Blonde, a 2000 novel by Joyce Carol ...
"the light-colored hair one"). In his early years, Estremera lived in Residencial Las Casas, a large public housing complex ...
He is known as the "Pinoy Fukuda" and is also known for repeatedly dyeing his hair multiple colors. After going undrafted in ... Cortez, Noli (October 20, 2020). "Does Corpuz need to color hair anew?". malaya.com.ph. Retrieved April 29, 2022. Ramos, Gerry ... Jackson Corpuz changes hair color". Spin.ph. Retrieved April 29, 2022. Dioquino, Delfin (October 15, 2020). "Like Pingris, ...
Shop Hair Color & Perms direct from Safeway. Browse our selection and order groceries online or in app for flexible Delivery or ... Garnier Nutrisse 73 Dark Golden Blonde Honey Dip Nourishing Hair Color Creme Kit - Each ... Garnier Nutrisse 415 Soft Mahogany Dark Brown Truffle Nourishing Hair Color Creme Kit - Each ... Garnier Nutrisse 82 Champagne Blonde Champagne Fizz Nourishing Hair Color Creme Kit - Each ...
Shop COLOR WOW Hair Styling Products and find the best fit for your beauty routine. Free shipping and samples available. ... COLOR WOW Hair Styling Products are available now at Sephora! ... COLOR WOW Hair, COLOR WOW Frizz, COLOR WOW Volume. Back to Top ... Does Sephora carry COLOR WOW?. Sephora sells many COLOR WOW hair. products including fade-fighting shampoos and fine hair- ... Hair Styling Products. Step up your hair care in a big way with COLOR WOWs collection of cutting-edge solutions. Browse daily ...
"Its a slow process to create pearliest hair well," said Reid. "Its a long-term commitment to have this color, not a quick fix ... People with darker hair can even opt for pearlescent lavender or ash colors.. ... Because pearl hair requires megalight blond hair without any warmth, walking away from the salon with your ideal pearlescent ... So, who can pull off this hair hue? According to the following photos from real Instagram users, just about anybody! Pearl hair ...
Hair colors never really go out of style. Sure, a shade may have its moment until another one is cycled in as the new it color ... The semi-permanent color only takes 10 to 15 minutes to deposit and lasts several washes, depending on your natural hair color. ... No matter what winter hair color you choose, the experts agree on your next step: Color-safe shampoo is a must, says Passaris ... This color is easy to do over blonde hair or existing red tones, says Papanikolas. As far as upkeep, copper hues can be a bit ...
Hair Color And Bleaching Products by Herbal Essences Sort best to worst. Sort worst to best. Sort alphabetical A-Z. Sort ...
Which Color Should You Dye Your Hair?. Its time to switch it up. ...
Protect and extend the life of your color-treated hair with these color safe conditioners. Shop these gentle, sulfate-free ... COLOR EXTEND MAGNETICS SULFATE-FREE CONDITIONER Sulfate-free color care conditioner for color-treated hair ... 8 Hair Color Services You Can Get With Shades EQ Hair Gloss ... SHOP BY HAIR CARE CONCERN * Blonde Hair Care * Color Treated ... HAIR STYLING * STYLING. Discover our selection of professional, salon-quality hair styling products. ...
Available in 5 vivid hair colors: electric blue, silver blue, purple, pink, and peach. Try them today! ... Permanent Hair Color is formulated for HD color and intense shine. ... Revlon ColorSilk Digitones™ Permanent Hair Color is formulated with HD Color Technology for expressive, HD color and intense ... Q: I would like to chemically treat my hair and color my hair at the same time. Can I do both on the same day, or is it better ...
Discover the professional hair color products on Matrix Professional. ... Hair Color Type Menu Products Hair Color Type Hair Color Type * Developer ... SoColor Cult Color Eraser Hair Color Remover Packette SOCOLOR Cult Color Eraser is a hair color remover powder that allows you ... SoColor Permanent Cream Hair Color Pre-blended permanent hair color that delivers brilliant color right on target. ...
Tints of Nature ECRM Organic hair color sytem hair-salon quality natural hair color system cruelty-free products ... Tints of Natures Organic, Natural Hair Color Debuted at ECRMs Hair Care & Multicultural Hair Program. Retail Buyers from ... Tints of Nature - Simply Healthier Hair Color provides women with a natural alternative to harsh, chemical-based hair coloring ... "We have been an organic, natural hair color leader for decades," Perfitt said. "Healthier hair color is our mission." ...
Aura Friedman has a cult following when it comes to hair. From her post at Sally Hershbergers salon in NYC, Aura has turned ... It helps seal in my color, so it doesnt get damaged from the water. Water can actually strip your hair color. Then, after I ... Skin Care • 29 Beauty Questions With… • Beauty • Beauty Routines • Hair Color Ideas • The Latest ... Aura Friedman has a cult following when it comes to hair. From her post at Sally Hershbergers salon in NYC, Aura has turned ...
Celebrities from Taylor Swift to Kerry Washington with their au naturel hair. ... Celebrities With Natural Hair Color Texture Pictures. 29 Beauty Questions With… • Beauty • Celebrity Beauty • HairHair Color ... What These 14 Celebrities Look Like With Their Natural Hair Color & Texture. Taylor Bryant ... We associate certain hairstyles and hair colors with particular celebrities. Theres Ariana Grandes ponytail, Zooey ...
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"Changed my hair btw [sic]," Martin said in her caption for the post. She tagged the account for Day N Vegas, a three-day Los ... The bob haircut has proven to be one of this years biggest hair trends among celebrities, and Martin has been seen with it ... This isnt the first time weve seen her with pink in her hair either. She had a similar, slightly brighter shade of pink ... Marsai Martins Latest Hairstyle Will Make You Want to Add Color to Your Blunt Bob. By. Jesa Marie Calaor ...
The company has launched over 50 Hair Color Bars and, as part of its growth plans for 2022, is expected to open at least 30 ... is challenging industry titans in the hair color space. ... Fifty-two hair color bars are using the same products that you ... "It became really clear that hair color had many of the same dynamics. So I went on a journey to figure out how to make hair ... so the ability for us to color match you as well as, give you a system of products that work together for color-treated hair. ...
... the hair sometimes has to be bleached before coloring. Hair color was traditionally applied to the hair as one overall color. ... Hair coloring, or hair dyeing, is the practice of changing the hair color. The main reasons for this are cosmetic: to cover ... For semi-permanent and demi-permanent color, the final color is a blend of the natural color of the hair and the dye color. ... because of hairs color and porosity along the length of a hair strand. The final color of each strand of hair will depend on ...
... since the color coats hair, making it look and feel thicker (in fact, permanent color can make hair as much as one-third ... Start by joining the dark side, since experts agree that brunette and black hair colors are the most forgiving. Then talk to ... Obviously covering gray is the biggest anti-aging benefit to coloring your hair, but sporting just the right shade can shave ... If you think haircolor is just about creating a new look or covering gray, think again. In the hands of a pro, haircolor can ...
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Are you ready to update your hair color for the summer? Luckily, this years trends are subtle but incredibly stunning. Find ... raw.hair Summer 2023 Hair Color Predictions These are just my predictions… what are yours?! #fyp #foryoupage #predictions # ... Another hair color inspired by a favorite drink, milk tea-inspired hair is a hodgepodge of brown and blonde, and it can be ... Summer 2023 hair color trends are, for the most part, less drastic than the stark contrasts and jewel ombres of years prior. ...
  • Reid also advised using heat protection when styling, as heat can damage strands and fade color. (popsugar.com)
  • Going platinum-like Lady Gaga isn't exactly gentle on your hair, so using a reparative treatment can help revive stressed-out strands. (yahoo.com)
  • Apply the remaining product through the rest of your hair and massage your strands gently until your hair is completely saturated. (revlon.com)
  • Employed especially when more than one color is to be applied, this method ensures that only the desired hair strands are colored, and the rest spared. (wikipedia.org)
  • Cap, when a plastic cap is placed tightly on the head and strands are pulled through with a hook, a method infrequently practiced other than for applying highlights to short hair. (wikipedia.org)
  • By now, you probably know that semi-permanent hair dye is an ammonia-free hair color option that coats your strands and can last through about eight shampoos. (lorealparisusa.com)
  • On the other hand, permanent hair dye contains ammonia and can penetrate your strands, allowing for longer-lasting color. (lorealparisusa.com)
  • Use one in a shade that's close to your natural hair color to infuse your strands with life. (lorealparisusa.com)
  • This is an ideal option for those who wish to color their strands but also need some TLC. (lorealparisusa.com)
  • You can even use it on clean strands to emulate the effortless, cool look of second-day hair. (pureology.com)
  • You know what you're getting into when you color your hair-damaged cuticles and straw-like strands come to mind. (marieclaire.com)
  • Unlike Ombre, which is a two-toned lightening of hair strands fading from a dark color to a lighter color, Balayage is created by hand through vertical brush strokes on the hair shaft in soft to heavier strokes. (bestwigoutlet.com)
  • To maintain, Rubel recommends investing in a color-safe shampoo and conditioner to prevent any brassiness or faded color. (yahoo.com)
  • While a professional colorist can help you achieve this look, you can try Overtone's pigmented Copper Conditioner Kit at home - the exact product Zendaya used in her hair before hitting the 2019 Emmy Awards red carpet. (yahoo.com)
  • Apply After-Color Conditioner to your hair and leave it on for 2 minutes, then rinse thoroughly with warm water. (revlon.com)
  • It also includes an ultra-hydrating, after-color cream conditioner to provide intense shine and frizz control. (revlon.com)
  • Keep your hair color looking rich and vivid using gentle shampoo and conditioner formulated for color-treated hair. (matrix.com)
  • Clinically-tested to reduce breakage, boost shine and double the life of hair colour vibrancy, this antioxidant-rich conditioner can be applied to shampooed hair for a couple minutes of intensive repair. (hqhair.com)
  • To make a single process color even easier Mazzei suggests a product that helps clients maintain their gloss at home like Celeb Luxury Gem Lites ColorWash Color Depositing Shampoo ($35) and Celeb Luxury Gem Lites Colorditioner Color Depositing Conditioner with BondFix Bond Repair ($35). (newbeauty.com)
  • 4. Use a brass-fighting shampoo and conditioner to keep your blonde color looking natural. (hairfinder.com)
  • 4. Try a color-depositing shampoo and conditioner to enhance the darker tones of your hair. (hairfinder.com)
  • Belle Color Permanent hair dye protects nourishes and adds shine to your hair whilst it colours as the colour crème and nourishing conditioner are enriched with wheat germ oil. (garnier.co.uk)
  • Thoroughly wash hair before applying Davis Studio Color to remove dirt, oils, and conditioner residue. (frankroweandson.com)
  • These are off-the-scalp techniques, and can be applied by the following methods: Foiling, where pieces of foil or plastic film are used to separate the hair to be colored. (wikipedia.org)
  • Hair coloring can also be applied on the scalp for a more solid level of coverage. (wikipedia.org)
  • Root touch-up, where color is applied only to the most recent section of re-growth, usually the first inch of hair nearest the scalp. (wikipedia.org)
  • Highlights can also be a life-saver for women with thinning hair, since they draw the eye away from problem spots, while the lighter hair helps camouflage the scalp. (modernmom.com)
  • It is dermatologist tested to be gentle on the scalp for visibly healthy hair. (fredmeyer.com)
  • Some oil present on the hair and even on the scalp prevents stinging and irritation. (blurt-online.com)
  • At the same time, the hair in your brow is not the same as the hair on your scalp. (blurt-online.com)
  • Dihydrotestosterone stimulates beard hair growth and scalp hair loss. (msdmanuals.com)
  • Light-colored hair and scalp and earlobe defects are observed. (medscape.com)
  • Kate Reid , renowned colorist and design director for Kevin Murphy 's Color.Me, told POPSUGAR that the journey to achieving truly pearlescent hair is not a quick one. (popsugar.com)
  • Read on to see several stunning iterations of pearl hair, then head to your colorist stat to get started on the process. (popsugar.com)
  • And when you're dying to switch up your hair color for the new season, there's nothing wrong with turning to your favorite celeb or Insta-famous hair colorist for inspiration. (yahoo.com)
  • According to George Papanikolas , celebrity hair colorist and Matrix brand ambassador, you can expect to see some strawberry copper tones this winter season. (yahoo.com)
  • Demi Passaris , a master colorist at Spoke & Weal Chicago , suggests K18's Leave-In Mask , which repairs hair from the inside out. (yahoo.com)
  • Usually a colorist is using up to 3 different colors within the same shade family. (womenfitness.net)
  • The queen of color, celebrity colorist and founder of the eponymous salon, Rita Hazan , declares that ombre is out. (newbeauty.com)
  • You won't always know the most suitable color for your complexion, which is why you should always consult a colorist, especially if you are venturing into pastel colors," says Estroff. (marieclaire.com)
  • A colorist will be able to choose a complimentary color for your skin tone. (marieclaire.com)
  • Whether you're booking an appointment with a hair colorist or you're planning to color your hair at home , you should take all of the same factors into consideration. (styleseat.com)
  • That's where it pays off to see a hair colorist or to at least go in for a consultation. (styleseat.com)
  • Be prepared to share your hair history with your colorist so they can make the best recommendation for you. (styleseat.com)
  • If you've been looking for that perfect color, we've compiled seven shades that are on their way to becoming winter 2022's biggest hair color trends . (yahoo.com)
  • Revlon ColorSilk Digitones™ Permanent Hair Color is formulated with HD Color Technology for expressive, HD color and intense shine in vivid shades. (revlon.com)
  • Revlon ColorSilk Digitones™is salon-quality hair color in expressive shades, with HD Color Technology to deliver high-definition pigments for vivid results from root to tip. (revlon.com)
  • Discover gorgeous, lasting, permanent hair color in a variety of shades. (revlon.com)
  • Plus, they include minor variations on the coppery colors and bright shades that dominated during the spring season. (women.com)
  • I think that clients are wanting softer shades that allow more freedom when it comes to changing up the color palette for wardrobe and makeup," says Perkins. (newbeauty.com)
  • While non-natural shades will always be a component of hair trends, Perkins says right now, we're going to see "more diffused versions of these that wear a bit softer next to skin. (newbeauty.com)
  • If you lighten your base color one to two shades, you still get the lightness without the damage," she explains. (newbeauty.com)
  • If you have lighter eyes opt for natural, light hair colors and if you have a darker complexion, choose darker shades. (marieclaire.com)
  • Or a demi-permanent color to add richness and warmth to medium and lighter brunette shades. (hairfinder.com)
  • 1. Since so many shades of red are more subtle, perhaps you might try a toning color in a demi-permanent formula to make your shade brighter and hotter. (hairfinder.com)
  • Always make changes equal to a maximum of 2 shades darker or lighter as you go through home coloring procedures. (blurt-online.com)
  • Their shades spectrum is better and can be more effective at covering gray hair. (blurt-online.com)
  • Using 2 shades avoid making the hair become too porous as pigments oversaturate your hair. (blurt-online.com)
  • The first number of a Hair Colour is how Light or Dark the blonde hair dye will be, for example blonde shades range from 7, Dark Blonde to 10, Very Light Blonde. (garnier.co.uk)
  • However, these factors can help you find dyes and shades that work best with your hair. (styleseat.com)
  • Your current hair color dictates what shades are achievable for your next hair color. (styleseat.com)
  • Shopping for the best deal on Redken shades eq hair color, Light Hair Care - Read product reviews, compare prices and store ratings. (shopzilla.com)
  • Many genes other than MC1R play a role in determining shades of hair color by controlling levels of eumelanin and pheomelanin. (medlineplus.gov)
  • The development of synthetic dyes for hair is traced to the 1860s discovery of the reactivity of para-phenylenediamine (PPD) with air. (wikipedia.org)
  • Hair dyeing is now a multibillion-dollar industry that involves the use of both plant-derived and synthetic dyes. (wikipedia.org)
  • While semi-permanent and permanent hair dyes are probably the options you're most familiar with, alternatives like henna hair dye and demi-permanent hair dye may be on your radar, too. (lorealparisusa.com)
  • Like temporary and semi-permanent dyes, demi-permanent hair color will wash out over time. (lorealparisusa.com)
  • Formulated for use in airbrush guns or fingertip spray applications, these semi-permanent Davis Studio Color Hair Dyes apply smoothly, making it easy for stylists to see the pattern that is being prepared. (frankroweandson.com)
  • Acetic acid is commonly used in printing, dyes, rayon and hat manufacturing, disinfectants and hair wave neutralizers. (medscape.com)
  • Morrison's storytelling is a multifarious sensory experience of words and color, as the lives of her characters are saturated with the dyes of their traumas and triumphs. (lu.se)
  • Soft dimension on even the darkest hair gives the hair movement,' says Papanikolas. (yahoo.com)
  • 2. Try a "wash" of a bold, vibrant color (such as burgundy or indigo) on the darkest hair colors. (hairfinder.com)
  • Betty products can lighten even the darkest hair with our special no-drip formula. (bettybeauty.com)
  • Does COLOR WOW Root Coverup wash out? (sephora.com)
  • ColorSilk Digitones™ is permanent but you may notice gradual fading each time you wash your hair, with noticeable fading about 2-3 weeks after initial coloring. (revlon.com)
  • As we age, we lose pigment in our skin and strong colors like deep brown, fiery red and black, begin to wash out the complexion and make little flaws, like crow's feet, more obvious. (modernmom.com)
  • HALLY's Shade Stix Temporary Wash Out Hair Color is a one-day hair color that's as easy to streak in as it is to wash out. (ulta.com)
  • Temporary color will last only until your next shampoo, and demi-permanent color will wash out gradually over the course of 8-12 shampoos. (hairfinder.com)
  • In these cases, I generally recommend using a demi-permanent color so that you can cover the gray as desired, but that if you decide to stop covering the gray you can let the color wash out completely. (hairfinder.com)
  • Never wash the hair in the day when you want to color it. (blurt-online.com)
  • The Pantone Institute has named Classic Blue the 2020 Color of the Year because they say the hue instills calm, confidence and connection-and who couldn't do with a healthy helping of all of those 'round about now? (matrix.com)
  • I used to think gray hair was aging, that it was a sign of giving in to being old, but thanks to many glorious and rocking hot women on Instagram, I've changed my vision to gray hair being sexy and confident," she captioned a selfie on January 2, 2020. (usmagazine.com)
  • The defining characteristics of this color trend are a supershiny pearlescent effect and cool, multidimensional blond tones, but otherwise the fad is very much up to individual interpretation. (popsugar.com)
  • Pearl hair especially complements cooler skin tones, observes Reid, but because the hair trend is so varied, it can be executed in a wide range of ways. (popsugar.com)
  • From platinum blonde to warm brunette tones, keep reading for a complete breakdown of the seven hair colors you'll see everywhere this winter. (yahoo.com)
  • This color is easy to do over blonde hair or existing red tones,' says Papanikolas. (yahoo.com)
  • If you're a natural blonde, adding warm honey tones to your color will create a similar, wrinkle-hiding, rosy glow. (modernmom.com)
  • If you're nervous about red, coppery tones lingering in your hair, try opting for a semi-permanent glaze. (women.com)
  • Many animals, including the elephant, camel, lion, and zebra, are rendered in colors similar to their natural tones, but Swanson's blue tiger near the center breaks that convention. (cdc.gov)
  • To achieve an even, roots-to-ends result like this, your stylist will probably need to lighten your hair as the first step. (matrix.com)
  • Demi-permanent hair dye won't lighten your hair, as it doesn't contain hydrogen peroxide or bleach in its formula. (lorealparisusa.com)
  • If you are planning to lighten your hair, try adding Olaplex to your lifting agent AKA the chemicals used to lift color from your hair," says Estroff. (marieclaire.com)
  • Treat your hair like a silk dress, always handling it delicately and following the care steps recommended by the hairdresser," she advised, suggesting a purple color-enhancing shampoo like Kevin Murphy's Blonde Angel to prevent any warmth from appearing in pearl hair. (popsugar.com)
  • It's the sister shade to strawberry blonde, but warmer and a cozy color that will warm you up all season long. (yahoo.com)
  • As far as upkeep, copper hues can be a bit of maintenance, but systems like Unbreak My Blonde , which Papanikolas recommends for any light hair color, make it easy. (yahoo.com)
  • Icy blonde hair was trending last winter, too - and we get it. (yahoo.com)
  • Works best on bleached and blonde hair: Prelighten with Revlon Color Effects Platinum ™ for the most vibrant results. (revlon.com)
  • The formula works best on bleached and blonde hair. (revlon.com)
  • citation needed] Diodorus Siculus, a Greek historian, described in detail how Celtic people dyed their hair blonde: "Their aspect is terrifying. (wikipedia.org)
  • A dark shade like this is also a great option for blonde hair that needs a break from lighteners for a while. (matrix.com)
  • After quite some time, Bey has ditched her honey blonde locks for a rich chocolate color, which she's complemented with face-framing highlights. (eonline.com)
  • Another hair color inspired by a favorite drink, milk tea-inspired hair is a hodgepodge of brown and blonde, and it can be customized according to your shade. (women.com)
  • This hair dye kit is available in a color palette ranging from Ash Blonde to Chocolate Brown to Jet Black. (lorealparisusa.com)
  • Say goodbye to bleached blonde hair and the maintenance that comes with it, says Mazzei. (newbeauty.com)
  • She points to people with really curly hair who want it completely straight or those with naturally dark hair seeking a bright blonde and vice versa. (newbeauty.com)
  • Remember, the beautiful Latina actress Eva Longoria-Parker would have no business trying to wear an arctic blonde hair color, just as the pale blonde Kate Hudson would have no business going for a chocolate brown color. (hairfinder.com)
  • A light golden glaze can make blonde hair warm and inviting. (hairfinder.com)
  • The Root Rescue hair dye kit is available in a color palette ranging from jet black to medium golden brown and light blonde. (target.com)
  • Garnier Belle Color radiant permanent blonde hair dye allows you to dye your hair in the comfort of your home, giving you natural-looking multi-tonal blonde hair colour results with up to 100% grey coverage. (garnier.co.uk)
  • If you're starting with jet black hair, you won't get to platinum blonde hair in one sitting. (styleseat.com)
  • I have 26 years of knowledge and experience in hair so book an appointment with me and I will educate you on how to improve the color, texture, length & density of your hair with my knowledge and the use of my yogurt hair color! (schedulicity.com)
  • But let's get one thing straight - having a certain hair color, texture, or skin tone shouldn't limit your new hair color. (styleseat.com)
  • Your hair texture can determine how well your hair can take in color. (styleseat.com)
  • Sea Spray for Men and Women - Mist Hair Texturer Texture Mist for Fine Hair Ha. (shopzilla.com)
  • Sea Spray for Men and Women - Mist Hair Texturer Texture Mist for Fine Hair Hair Texture Mist for Hair Volumizing Mist Mist for Women s Hair 120 ml Material: Plastic Color: as the picture shows (Due to the difference between different monitors the. (shopzilla.com)
  • Good Hair" is hair that is naturally straighter in texture. (lu.se)
  • We also turned to a handful of top stylists for details on why these colors are great for winter, along with helpful maintenance tips . (yahoo.com)
  • Sign up to get exclusive first access to our newest innovation in color care and shine. (redken.com)
  • Ammonia-free, deposit-only hair color formulas add depth and shine without damage. (matrix.com)
  • Oh, the shine of a freshly colored red. (womenfitness.net)
  • In most cases, a simple (colorless) gloss application can add depth and shine to your hair's natural color and make it look richer and more vibrant. (hairfinder.com)
  • 1. Use a color gloss treatment to give your hair extra shine, enhancing the hair's reflectivity. (hairfinder.com)
  • Demi-permanent hair coloring is more than effective and improves the smoothness and shine of your hair. (blurt-online.com)
  • products including fade-fighting shampoos and fine hair-friendly conditioners. (sephora.com)
  • To keep hair colors like this vibrant for as long as possible, reduce the frequency of your shampoos and maintain fresh hair with an oil-absorbing dry shampoo . (matrix.com)
  • Demi-permanent hair dye typically washes out after 24 shampoos , making it an excellent pick for those who love to play with color but don't want to wait for their new shade to grow out before they can experiment with something else. (lorealparisusa.com)
  • If you're torn between options, using a demi-permanent hair dye will give you the freedom to try more than one hair color-after 24 shampoos, that is. (lorealparisusa.com)
  • After around 24 shampoos, you'll be back to your starting hair color sans damage. (lorealparisusa.com)
  • Fun products out on the market now to take care of your reds at home are color depositing shampoos and conditioners. (womenfitness.net)
  • If you skip this step you can end up with dye remaining stuck in your hair. (blurt-online.com)
  • Introducing the New Triple Care Color routine that deeply cares for your hair, and with 100% gray hair coverage for all hair types, even on stubborn grays. (lorealparisusa.com)
  • L'Oreal Excellence hair color is designed with an exclusive Triple Care Color Routine that deeply cares for your hair, and with 100% gray hair coverage even on stubborn grays. (lorealparisusa.com)
  • No permanent hair color protects better or covers grays better (compared to each leading competitor's top selling brand). (lorealparisusa.com)
  • When you know there are some nasty, resistant grays present, do strand tests in order to see how much time is needed to achieve the color you actually want. (blurt-online.com)
  • Betty Beauty is a gentle pubic hair dye that naturally colors, covers grays, and brightens to match your locks above. (bettybeauty.com)
  • Because pearl hair requires megalight blond hair without any warmth, walking away from the salon with your ideal pearlescent shade after a single visit isn't likely for most people - but according to Reid, clients should be able to work with colorists to create a maintenance program specifically designed for your hair's needs to maintain and brighten your color. (popsugar.com)
  • If they're dark, go a shade or two lighter to soften your look and if they're gray, coloring them will instantly brighten your face. (modernmom.com)
  • It's a great method for those who want to brighten their look without committing to all-over color. (women.com)
  • Betty products naturally color, cover gray and brighten to match your glorious locks above. (bettybeauty.com)
  • All-over color, where the person wants all of their hair to be a different solid color Block coloring, where the person wants two or more colors applied to their hair, resulting in dimension and contrast The four most common classifications are permanent, demi-permanent (sometimes called deposit only), semi-permanent, and temporary. (wikipedia.org)
  • Roux Fanci-Full Rinse temporary hair color keeps hair color looking its best between color treatments. (sallybeauty.com)
  • However, some of these color trends can be achieved with gentle, and even temporary, store-bought products that allow you to test the waters of various hair hues. (women.com)
  • 4. If you're unsure about a color, find out if it is available in a temporary or demi-permanent formula . (hairfinder.com)
  • Twist off the wand, swipe on this vibrant pink color, and brush through with the built-in comb. (ulta.com)
  • Simply Color's nourishing formula with botanical oat milk, soy protein, and argan oil provides up to 100% gray coverage with vibrant, even color from root to tip. (fredmeyer.com)
  • Patented ANTIFADE COMPLEX®, infused into every Pureology product, helps ensure your new hair color remains vibrant for longer. (pureology.com)
  • This can make the natural shade look brighter and more vibrant without lightening the hair, and it is much less harsh a process than lifting hair color. (hairfinder.com)
  • On the opposite spectrum of strawberry copper, we're going to be seeing a lot of dark hair colors with subtle warm brown highlights throughout. (yahoo.com)
  • Can be put on light colored hair for the silver-grey look or over Hair White to give silver highlights. (halloweenexpress.com)
  • Martin had brown hair before getting pink highlights streaked through her blunt bob. (popsugar.com)
  • Baby lights, very thin highlights that are created by using a fine color technique, baby light results are very natural and subtle. (wikipedia.org)
  • If your hair tends to fall flat, stop slathering on volumizers and visit a salon for some highlights or lowlights instead. (modernmom.com)
  • The lighter shade is a subtle change from her chestnut hair with sandy highlights. (bravotv.com)
  • Add highlights for some extra dimension or easily bleach hair from the comfort of your home. (revlon.com)
  • An easy way to have the feeling of highlights while keeping everything within the same color range. (womenfitness.net)
  • Mazzei says clients are rarely asking for chunky highlights that are in stark contrast to their base color these days. (newbeauty.com)
  • Add a few highlights or an overall tonal lift to your natural color can freshen up your appearance and make you feel better about yourself. (hairfinder.com)
  • A method used to add gorgeous, sun-kissed highlights to hair, is a special hair coloring technique that has been used by professionals since the 1970's. (bestwigoutlet.com)
  • Part your hair into 4 equal sections using the applicator tip and apply the dye mixture one section at a time starting at your roots. (revlon.com)
  • Using rubber gloves, raise applicator tip of bottle and apply close to hair. (sallybeauty.com)
  • Discover our selection of professional, salon-quality hair styling products. (redken.com)
  • The Color Extend Magnetics hair care regimen helps lock in hair color and care for the tone and vibrancy of professional color in between salon services. (redken.com)
  • Formulated with Color Extend Magnetics Color Care Complex, this salon professional hair care system is best for color treated hair. (redken.com)
  • The new salon inspired after color shampoo is formulated specifically to be used right after rinsing out your Excellence coloring mix. (lorealparisusa.com)
  • Creative director of nuBest Salon & Spa , Jamie Mazzei, says this year we're moving away from full-time hair commitments and shifting towards colors that are easier to maintain both in salon and at home. (newbeauty.com)
  • Clients are seeking more natural-looking colors that are "a true extension of who they are, and honestly, they don't have the time to sit at the salon for hours every six weeks for touch-ups," says Massei. (newbeauty.com)
  • If you want to get wonderful hair and color it at home, here are the most common hair coloring mistakes, according to specialists at a reputable Denver salon . (blurt-online.com)
  • As women, we visit the hair salon more often than a nurse or doctor. (medlineplus.gov)
  • Will ColorSilk Digitones™ work on textured, curly hair? (revlon.com)
  • The term kinky hair, also called "nappy hair" or "bad" hair, describes tightly coiled, curly hair. (lu.se)
  • Color can be used to enhance your hair's natural shade, to cover gray, or to make a dramatic difference. (hairfinder.com)
  • Your hair's porosity and thickness can also determine how well your hair can take in color. (styleseat.com)
  • Previous processing and coloring can also impact your hair's ability to take in color. (styleseat.com)
  • If you're concerned about your hair health, you can ask for a strand test to double-check your hair's strength. (styleseat.com)
  • Texturizing dry shampoo spray that absorbs oil, dirt and buildup without drying out hair. (pureology.com)
  • Q: Can I use a spray kit to color natural hair that's has locks and is spiced red? (target.com)
  • I want to spray color my entire head because of the gray. (target.com)
  • CLZOUD Hair Products Sea Spray. (shopzilla.com)
  • As the nation continues to uphold the government's social-distancing guidelines amid the COVID-19 pandemic, stars are missing their hair appointments to keep up with their color or subtle root maintenance. (usmagazine.com)
  • Talking of hair color trends that 2021 is going to be all about subtle but statement-making color that doesn't require constant upkeep. (womenfitness.net)
  • 3. Try a toner service instead of a full-fledged color to add some subtle depth to the hue. (hairfinder.com)
  • People with darker hair can even opt for pearlescent lavender or ash colors. (popsugar.com)
  • These are referred to as: Highlighting, where sections of hair are treated with lighteners Lowlighting, where sections of hair are treated with darker hair colors Splashlighting, a horizontal band of bleached hair from ear to ear There are also newer coloring techniques such as ombré, shatush, balayage, airtouch, in which hair is dark on the crown and bit by bit becomes lighter toward the ends. (wikipedia.org)
  • For example, blond-haired children often have darker hair by the time they are teenagers. (medlineplus.gov)
  • Permanent hair color generally contains ammonia and must be mixed with a developer or oxidizing agent in order to permanently change hair color. (wikipedia.org)
  • You'll find rich, radiant color in ammonia-free formulas and even a clean, 100% vegan hair color option. (revlon.com)
  • When washing face, if soap removes hair color at hairline, dab on a little Roux Fanci-Full Rinse with cotton. (sallybeauty.com)
  • The client pictured chose a copper color for the front hairline. (womenfitness.net)
  • Apply moisturising cream to your hairline to avoid staining from the permanent hair dye. (garnier.co.uk)
  • The beauty of this is the color that is darker will give depth to the hair and the lighter color will reflect the light more. (womenfitness.net)
  • 1. Keep in mind that depending on how dark your hair is, you won't get a lighter color without a bleaching process. (hairfinder.com)
  • The product, ingredients in the product, the delivery, everything about our direct to the consumer relationship data about knowing everything about your hair, so the ability for us to color match you as well as, give you a system of products that work together for color-treated hair. (forbes.com)
  • We continue on that journey to innovate on the ingredients, which was the number one thing that really started me down the path, which was what is in traditional hair color? (forbes.com)
  • Put on coloring gloves and pour the ammonia-free colorant into the cream developer bottle. (revlon.com)
  • Keep colored hair protected while blow drying with a heat-buffering cream . (matrix.com)
  • Revolutionary 'no bad smell' conditioning body and bikini cream hair remover! (bettybeauty.com)
  • bettybare™ is the first and only specially formulated hair removal cream to use all over your body without that lingering 'awful sulphur' smell. (bettybeauty.com)
  • Safe, effective & gentle enough for the 'hair down there' as well. (bettybeauty.com)
  • Sure, a shade may have its moment until another one is cycled in as the new 'it color,' but what's more important than following trends is finding a color that suits you . (yahoo.com)
  • Rubel says hair colors inspired by your favorite cozy winter drinks will be one of the biggest trends this year. (yahoo.com)
  • The bob haircut has proven to be one of this year's biggest hair trends among celebrities, and Martin has been seen with it multiple times this year. (popsugar.com)
  • Be the first to hear about our new launches, giveaways, latest trends on Hair Care, Hair Color, and more! (matrix.com)
  • Use a demi-permanent hair dye if… you want to try one of the latest hair color trends . (lorealparisusa.com)
  • Summer 2023 hair color trends are, for the most part, less drastic than the stark contrasts and jewel ombres of years prior. (women.com)
  • According to Martin Gugliotti , licensed hairstylist, NCA competitor, educator and designer here are the ten hair color trends to dominate this year. (womenfitness.net)
  • One of the most popular color trends for many reasons. (womenfitness.net)
  • These are the hair color trends you can count on seeing less of in 2023. (newbeauty.com)
  • Perform both a skin allergy test and strand test 48 hours before coloring, as directed. (revlon.com)
  • Keep scrolling to check out some of Porizkova's most iconic selfies featuring her natural hair color and her makeup-free skin. (usmagazine.com)
  • Women with olive skin should choose gold colors, which tone down to green in your skin and bring warmth to your complexion. (marieclaire.com)
  • Features like your skin undertones and your natural hair color affect this decision. (styleseat.com)
  • We'll cover in the next section how both skin tone and undertones dictate your most complementary colors. (styleseat.com)
  • You can try to figure out your undertones by looking at the color of your veins or by seeing how your skin looks when you're wearing a white shirt. (styleseat.com)
  • Several of these genes contribute to eye and skin color, but the exact role they play in determining hair color is unknown. (medlineplus.gov)
  • Next are some general questions about {your/SP's} skin and hair. (cdc.gov)
  • Riders and spectators share skin tone, facial feature shape, dark eyes, and hair color. (cdc.gov)
  • Morrison's last novel adopts the author's quintessential themes of beauty, American blackness versus whiteness, slavery and the ghosts of communal and individual traumas, inholding the lasting injury of rejection for having a skin color which is too dark, hair that is too kinky. (lu.se)
  • Such risk appears to be related not only to skin type, eye color, and tanning capacity but also to others specific characteristics of European populations introduced in the New World by European immigrants. (cdc.gov)
  • However, grouped skin-colored papules were described in a 5-year-old boy with Hurler-Scheie syndrome. (medscape.com)
  • Grouped skin-colored papules were described in 1 child with Hurler-Scheie syndrome. (medscape.com)
  • The tissues primarily involved are the skin and its appendages (hair follicles, eccrine glands, sebaceous glands, and, nails) and teeth. (medscape.com)
  • Regarding the infant's physical characteristics, representations of hair, eyes and skin color have emerged, as well as body weight and height. (bvsalud.org)
  • What are COLOR WOW's best-selling products? (sephora.com)
  • Discover our bestselling haircare and styling products for all hair types and concerns. (redken.com)
  • Fifty-two hair color bars are using the same products that you can buy on a retail basis. (forbes.com)
  • Like all Pureology products, our dry shampoo protects color-treated hair from color fade. (pureology.com)
  • Always do a patch test 48 hours in advance of using any home hair dye products. (garnier.co.uk)
  • Betty customers love to use our products to to touch-up roots and men use it for facial and chest hair too! (bettybeauty.com)
  • The Colors and Products displayed may appear different from actual products. (bestwigoutlet.com)
  • Their hair is blond, but not naturally so: they bleach it, to this day, artificially, washing it in lime and combing it back from their foreheads. (wikipedia.org)
  • Betty color for the hair down there naturally colors, covers gray and brightens to match your glorious locks above. (bettybeauty.com)
  • Dark roots with light ends are being replaced with more natural-looking colors, she explains. (newbeauty.com)
  • Davis® Studio Colors offer a palette of high-fashion semi-permanent colors that provide unlimited styling options for groomers who like to add a fun finish to their stylings. (frankroweandson.com)
  • We do not recommend using ColorSilk Digitones™ on gray or heavily highlighted hair. (revlon.com)
  • What if I have stubborn gray hair? (revlon.com)
  • ColorSilk Digitones™ is not recommended for use on gray or heavily highlighted hair. (revlon.com)
  • For 100% gray coverage, try Revlon ColorSilk Beautiful Color™ Hair Color. (revlon.com)
  • People who color their hair to disguise gray often have root touch-ups. (wikipedia.org)
  • Obviously covering gray is the biggest anti-aging benefit to coloring your hair, but sporting just the right shade can shave off a few birthdays as well. (modernmom.com)
  • If your plan is to cover your gray, using a permanent hair color means that you will have to undertake regular maintenance touch-ups to keep the new growth colored . (hairfinder.com)
  • Magic Root Rescue is recommended to cover gray hair for root regrowth of less than three weeks. (target.com)
  • Permanent color is not necessary when you have only around 30% of your hair gray. (blurt-online.com)
  • Almost everyone's hair will begin to turn gray as they age, although when it happens and to what extent is variable. (medlineplus.gov)
  • Hair becomes gray when the hair follicle loses its ability to make melanin, but exactly why that occurs is not clear. (medlineplus.gov)
  • This year, the dark hair color trend is known as expensive brunette . (yahoo.com)
  • Start by joining the dark side, since experts agree that brunette and black hair colors are the most forgiving. (modernmom.com)
  • Fashion blogger Tiff.Gif went viral in April for the customized shade on her brunette base and called it "a great transition color if you want dark hair that's not too dark. (women.com)
  • If you're thinking of colors already (or won't heed this advice and are planning to do at home), as a general rule of thumb, light goes with light and dark goes with dark. (marieclaire.com)
  • Hirsutism is the excessive growth of thick or dark hair in women in locations that are more typical of male hair growth patterns (eg, mustache, beard, central chest, shoulders, lower abdomen, back, inner thigh). (msdmanuals.com)
  • Androgens promote thick, dark hair growth. (msdmanuals.com)
  • Put your gloves back on and gently rinse your hair with warm water until the water runs clear. (revlon.com)
  • Many colors fade quickly and a gloss treatment can help your color last. (hairfinder.com)
  • This means hair color can fade quickly and end up looking uneven if it's not properly applied. (styleseat.com)
  • The semi-permanent color only takes 10 to 15 minutes to deposit and lasts several washes, depending on your natural hair color. (yahoo.com)
  • Paulina Porizkova looks breathtaking in full-glam, but she looks equally as fabulous when she's makeup-free and embracing her natural hair color. (usmagazine.com)
  • Natural hair also lifts easier than colored hair. (womenfitness.net)
  • Hair Dye can only lighten your natural hair colour 1 to 2 levels - check the back of pack to see if it is the right hair colour shade for you. (garnier.co.uk)
  • Which best describes your natural hair color? (styleseat.com)
  • The color will last longer than its semi-permanent alternative, allowing you to get a better feel for if you want to color your locks permanently. (lorealparisusa.com)
  • If your mane is looking a little lackluster, a demi-permanent hair dye is an easy way to give your locks a refresh. (lorealparisusa.com)
  • Ammonia is used in permanent hair color to open the cuticle layer so that the developer and colorants together can penetrate into the cortex. (wikipedia.org)
  • What Is Demi-Permanent Hair Color? (lorealparisusa.com)
  • Speaking of the latter, if you're wondering what demi-permanent hair color is, we're here to fill you in. (lorealparisusa.com)
  • Keep reading for your guide to demi-permanent hair dye-from what it is to who should use it! (lorealparisusa.com)
  • So, where does demi-permanent hair dye fit in? (lorealparisusa.com)
  • Demi-permanent hair dye falls right in between semi-permanent and permanent hair dye. (lorealparisusa.com)
  • Demi-permanent hair dye typically has an ammonia-free formula that contains a developer, allowing it to penetrate under the outer cuticle of your hair. (lorealparisusa.com)
  • This helps the color last longer than semi-permanent alternatives, but not as long as permanent hair color since it doesn't fully penetrate the hair shaft. (lorealparisusa.com)
  • Ah, it's time to answer the age-old question about demi-permanent hair color! (lorealparisusa.com)
  • Below, find a few reasons it may be worth opting for a demi-permanent hair color over other types of hair dye. (lorealparisusa.com)
  • Use a demi-permanent hair dye if… you're on the fence about a new hair color. (lorealparisusa.com)
  • Aside from having the freedom to try a different shade every few months, demi-permanent hair color is ideal for those who aren't quite sure if they want to commit to a new 'do. (lorealparisusa.com)
  • Use a demi-permanent hair dye if… your hair is in need of a boost. (lorealparisusa.com)
  • Use a demi-permanent hair dye if… you don't want to damage your hair. (lorealparisusa.com)
  • Since demi-permanent hair color, like semi-permanent, doesn't contain ammonia, it won't cause damage like other hair color options might. (lorealparisusa.com)
  • This 10-minute permanent hair color root touch up is a low ammonia color gel with built in conditioning and an aromatic scent. (target.com)
  • Top tips for home hair dye: Use an old towel as permanent hair dye may stain it. (garnier.co.uk)
  • Redken Brews Extra Clean Gel delivers a natural finish and flexible control without announcing its presence with flaking, stickiness or crunch.Suitable for all hair types, this light. (shopzilla.com)
  • Light-Hold Hairspray Prolongs Color Radiancy. (shopzilla.com)
  • Particularly in people of European descent, light hair color may darken as individuals grow older. (medlineplus.gov)
  • This included brushes from Japanese horsehair and brushes made from light-colored hair. (cdc.gov)
  • However, the severity of hirsutism does not correlate with the level of circulating androgens because of individual differences in androgen sensitivity of the hair follicle. (msdmanuals.com)
  • This no-mess, no-drip, nourishing gel formula is ammonia-free* and infused with Keratin to leave your hair in even better condition than before you colored it. (revlon.com)
  • The nourishing, ammonia-free* formula is infused with Keratin to leave your hair silkier, shinier, and in better condition than before coloring it. (revlon.com)
  • A hair bun is one of the easiest go-to hairstyles for a lazy day. (popsugar.com)
  • We associate certain hairstyles and hair colors with particular celebrities. (refinery29.com)
  • It envelops your hair with its thick, creamy consistency, gorging strengthing nutrients into each strand to strengthen, tame and protect your colour investment. (hqhair.com)
  • If you have long or thick hair, use two hair dye boxes. (garnier.co.uk)
  • creates sleek and silky results for all hair types. (sephora.com)
  • If you're a hair color fanatic like us, then you likely know that you have way more than one option when it comes to different types of hair dye . (lorealparisusa.com)
  • As we mentioned above, this hair color contains a developer that allows your hair color to last longer than semi-permanent options-that's the major difference between the two types of hair dye. (lorealparisusa.com)
  • Rusk Puremix Pomegranate Color Protecting Hairspray for Hair Types 10 oz. (shopzilla.com)
  • Kate Hendricks] Back when this happened, health authorities did believe that brushes made from certain types of hair were riskier. (cdc.gov)
  • Use Garnier Belle Color LT Golden Brown hair dye and get yourself a truly natural-looking colour. (garnier.co.uk)
  • An abundance of one type of melanin, called eumelanin, gives people black or brown hair. (medlineplus.gov)
  • These individuals have black or brown hair, because of the high amount of eumelanin. (medlineplus.gov)
  • It is estimated that more than 90 percent of people in the world have brown or black hair. (medlineplus.gov)
  • Quiz: Which Color Should You Dye Your Hair? (buzzfeed.com)
  • Take our 1-minute hair colour quiz to be certain. (garnier.co.uk)
  • That's why we put together this quick quiz to help you find your ideal hair color. (styleseat.com)
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