Freckles
Freckles....
Freckles
If you have brown spots on the roof of your mouth, it could be patches of melanin. Another reason brown spots might show up is because someone smokes.
melanin is black pigment found in the epidermisMelaninMelanin
Melanocytes produce melanin.
melanin v
Pigmentation is the process of skin coloration and due to some anomalies in this process white or dark patches appear on the skin. Melanin is substance responsible for skin coloration. Excess of melanin in skin cause the darkening or dark spots in skin. Such situation is termed as hyper-pigmentation. Lack of melanin in skin causes the white patch in skin this thing is termed as depigmentation or hypo-pigmentation in skin. There is more than one skin condition that causes white patch on the skin. About 1% of people have a condition called vitiligo, which is one cause for loss of pigment. You should see a doctor to get a diagnosis.
Melanin
melanin and carotene Carotene Melanin The chemical is called melanin.
Hormones have nothing to do with human skin color. Melanin, a pigment, determines skin color by the amount of it present in the skin. The more melanin, the darker the skin.
melanin