Melanin Content Distribution Different 620070976

Tags: human ethnicity caucasian health light brown black dark skin structure diversity cell cosmetology skincare body treatment tone olive asian pigment ultraviolet tissue freckles dermatology type complexion anatomy diagram comparison Hispanic African American epidermis dermis melanin pigmentation cross section basal hyperpigmentation vitiligo infographic melanocyte keratinocyte eumelanin pheomelanin melasma phototype melanosome