Skin PigmentationPigmentation DisordersPigmentationMelaninsMelanosomesMelanocytesHyperpigmentationSkinSunlightMonophenol MonooxygenaseReceptor, Melanocortin, Type 1Eye ColorUltraviolet RaysSkin Physiological PhenomenaCyclic AMP-Dependent Protein Kinase RIalpha SubunitHypopigmentationErythemaChromatophoresAlbinismalpha-MSHMelanophoresVitamin D DeficiencyClofazimineMultiple Endocrine NeoplasiaHair ColorDyskeratosis CongenitaVitiligoAdrenal Cortex DiseasesMyxomaVitamin DSkin AgingSkin NeoplasmsAntiportersKeratinocytesSkin DiseasesEpidermisPigments, BiologicalAgouti Signaling ProteinSyndromeMelanosisAfrican Continental Ancestry GroupSelection, GeneticEuropean Continental Ancestry GroupKiller Cells, NaturalMutationPolymorphism, Single NucleotideAlbinism, Oculocutaneous