Skin PigmentationPigmentation DisordersPigmentationMelaninsMelanosomesMelanocytesHyperpigmentationSkinSunlightMonophenol MonooxygenaseReceptor, Melanocortin, Type 1Eye ColorUltraviolet RaysSkin Physiological PhenomenaCyclic AMP-Dependent Protein Kinase RIalpha SubunitHypopigmentationErythemaChromatophoresAlbinismGeneticsalpha-MSHMelanophoresVitamin D DeficiencyClofazimineHair ColorMultiple Endocrine NeoplasiaDyskeratosis CongenitaVitiligoAdrenal Cortex DiseasesMyxomaVitamin DSkin NeoplasmsSkin AgingAntiportersKeratinocytesSkin DiseasesEpidermisPigments, BiologicalAgouti Signaling ProteinSyndromeGenetics, PopulationMelanosisAfrican Continental Ancestry GroupMutationPolymorphism, Single NucleotideEuropean Continental Ancestry GroupSelection, GeneticPhenotypeGenome, HumanAlbinism, Oculocutaneous