Skin PigmentationPigmentationPigmentation DisordersMelaninsMelanocytesMelanosomesHyperpigmentationSkinMonophenol MonooxygenaseReceptor, Melanocortin, Type 1Eye ColorSunlightHair ColorUltraviolet RaysHypopigmentationSkin Physiological PhenomenaErythemaChromatophoresAlbinismCyclic AMP-Dependent Protein Kinase RIalpha SubunitMelanophoresalpha-MSHPigments, BiologicalAgouti Signaling ProteinVitamin D DeficiencyClofazimineVitiligoMultiple Endocrine NeoplasiaMelanosisDyskeratosis CongenitaAdrenal Cortex DiseasesMyxomaSkin NeoplasmsVitamin DSkin AgingEpidermisAntiportersKeratinocytesSkin DiseasesAlbinism, OculocutaneousAnthocyaninsSyndromeMicrophthalmia-Associated Transcription FactorAfrican Continental Ancestry GroupMutationReceptors, MelanocortinEuropean Continental Ancestry GroupPhenotypeFeathersHairPolymorphism, Single NucleotideSelection, GeneticReceptors, Corticotropin