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 GroupEuropean Continental Ancestry GroupSelection, GeneticAlbinism, OculocutaneousPolymorphism, Single Nucleotide