Skin PigmentationPigmentation DisordersPigmentationMelaninsMelanosomesMelanocytesHyperpigmentationSkinSunlightMonophenol MonooxygenaseReceptor, Melanocortin, Type 1Eye ColorUltraviolet RaysSkin Physiological PhenomenaCyclic AMP-Dependent Protein Kinase RIalpha SubunitHypopigmentationErythemaEuropean Continental Ancestry GroupChromatophoresAlbinismAfrican Continental Ancestry GroupVitamin D Deficiencyalpha-MSHMelanophoresHair ColorClofazimineMultiple Endocrine NeoplasiaDyskeratosis CongenitaVitiligoAdrenal Cortex DiseasesVitamin DMyxomaPolymorphism, Single NucleotideSkin NeoplasmsSkin AgingAntiportersKeratinocytesSkin DiseasesEpidermisAmerican Native Continental Ancestry GroupPigments, BiologicalSyndromeAgouti Signaling ProteinGenome, HumanGenealogy and HeraldryMelanosisGenetics, PopulationSelection, GeneticMutationGenome-Wide Association StudyGenotypeAsian Continental Ancestry GroupAlbinism, OculocutaneousGenetic Variation