MelaninsMonophenol MonooxygenaseMelanosomesMelanocytesSepiaAlbinism, OculocutaneousPigmentationPigments, BiologicalPigment Epithelium of EyeSkin NeoplasmsRetinal PigmentsMelanomaSkinSkin PigmentationSkin AgingSkin DiseasesBile PigmentsChromatophoresSkin Physiological PhenomenaSkin TestsAlbinismMelanophoresNaphtholsDihydroxyphenylalanineSkin AbsorptionHyperpigmentationHairLipofuscin