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According to Dr. Wechsler, melasma typically manifests as dark brown, patch-like spots and can appear anywhere on the face—cheeks, forehead, and nose being most common (though it can strike near ...
The Fitzpatrick scale has been criticized for its Eurocentric bias and insufficient representation of global skin color diversity. [9] The scale originally was developed for classifying "white skin" in response to solar radiation, [2] and initially included only four categories focused on white skin, with "brown" and "black" skin types (V and VI) added as an afterthought.
Skin whitening, also known as skin lightening and skin bleaching, is the practice of using chemical substances in an attempt to lighten the skin or provide an even skin color by reducing the melanin concentration in the skin. Several chemicals have been shown to be effective in skin whitening, while some have proven to be toxic or have ...
Melanin is a class of pigment responsible for producing color in the body in places such as the eyes, skin, and hair. The process of melanin synthesis (melanogenesis) starts with the oxidation of l -tyrosine to l-dopa by the enzyme tyrosine hydroxylase , then to l -dopaquinone and dopachrome , which forms melanin.
Tru Alchemy Spot Check $ at Amazon. Tru Alchemy Spot Check $ at Tru Alchemy. SkinMedica Lytera 2.0 Pigment Correcting Serum “SkinMedica Lytera has been around for a really long time and has been ...
These lightweight, derm-loved best body serum formulas target every skin concern from the neck down. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 ...
Depigmentation is the lightening of the skin or loss of pigment. Depigmentation of the skin can be caused by a number of local and systemic conditions. The pigment loss can be partial (injury to the skin) or complete (caused by vitiligo). It can be temporary (from tinea versicolor) or permanent (from albinism). [1]
Skin pigmentation is frequently caused by sun exposure. To protect itself against UV radiation from the sun, the body makes more melanin. As a result, the skin may become more pigmented to protect it from the sun's rays. [4] The pigmentation of the skin may also be lightened by certain drugs.