Some people are born with fair skin, some people belong to that kind of black skin. What kind of skin do you belong to? Do you know how black and white skin should be whitened and whitened? Take a look at these secret recipes.
The main color of white and black is melanin. Melanin is produced by melanocytes and then transferred to epidermal keratinocytes under the action of tyrosinase. The color of the skin is related to the ability of each melanocyte to produce melanin, which is related to the number of melanocytes. It is related to the rate at which melanin is transferred to keratinocytes.
From the point of view of skin whitening , people always think that the combination of melanin is as small as possible. However, for people working in the sun, melanin plays an important role in cancer prevention and health care.
Melanin absorbs most of the ultraviolet rays, greatly reducing the transmission of UVA and UVB, thereby protecting the skin from the biological damage caused by ultraviolet and visible light, protecting and reducing the acute or chronic inflammation of the skin caused by sunlight. Prevent sunburn, aging and cancer caused by sunlight.
Caucasians are prone to sunburn, long-term sun exposure is prone to skin cancer, plus basal cell carcinoma, squamous cell carcinoma and melanoma, while black people rarely have skin cancer. In addition, melanin protects folic acid and similar important substances from light decomposition.
Therefore, natural black skin is not a bad thing, so do not artificially deliberately pursue whitening.
For the dark skin caused by the day after tomorrow, people have to deal with it correctly.
Because ultraviolet light is the most important factor in promoting melanocyte division and accelerating melanin synthesis. Therefore, sun protection from the sun is the most important measure to reduce melanin formation.
This article is organized by China Washing Cosmetics Network and is dedicated to creating the most authoritative cosmetics network .
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