Skin PigmentationMelaninsPigmentationPigmentation DisordersMelanocytesMelanosomesHyperpigmentationMonophenol MonooxygenaseSkinSunlightReceptor, Melanocortin, Type 1Eye ColorUltraviolet RaysSkin Physiological PhenomenaCyclic AMP-Dependent Protein Kinase RIalpha SubunitAlbinismChromatophoresHypopigmentationErythemaalpha-MSHHair ColorMelanophoresVitamin D DeficiencyClofazimineMultiple Endocrine NeoplasiaVitiligoDyskeratosis CongenitaAdrenal Cortex DiseasesMyxomaSkin NeoplasmsVitamin DEpidermisKeratinocytesSkin AgingPigments, BiologicalAntiportersMelanosisSkin DiseasesAgouti Signaling ProteinSyndromeAlbinism, OculocutaneousAfrican Continental Ancestry GroupHairMicrophthalmia-Associated Transcription FactorEuropean Continental Ancestry GroupFeathersMutationMelanomaCatechol OxidaseSelection, Genetic