The production of melanin is mostly related to endocrine disorders and sun exposure. The number of melanocytes depends mainly on heredity. In addition, it is also related to endocrine hormones and nutritional status. How to improve skin melanin has always been a problem in the beauty and skin sciences. Diseases caused by melanin, such as freckles, chloasma, melanosis, etc., have become the subject of research in the beauty industry. The Chinese medicine practitioners of the motherland believe that: all the seven internal injuries, unhealthy diet, fatigue, lack of kidney water, women’s menstrual blood, etc. Can cause disease, internationally added to solve this problem mainly from the relief of local melanin formation and promote the decomposition and excretion of pigmentation, the implementation of various technical methods, commonly used antioxidants to prevent ultraviolet radiation, including SOD, Tea polyphenols, coenzyme 10, urinary acid, tocopherol, evergreen, angelica, astragalus, aloe and so on. Anti-radicals like SOD have anti-UV radiation and slow down the formation of pigmentation.
In the process of human skin pigment metabolism, tyrosinase catalyzes the tyrosine-converting enzyme dopaaldehyde and finally forms a 5.6-turn complex, which constitutes the main component of melanin in the mesothelial cells of the human epidermis. For this purpose, the effective characteristics of tyrosinase activity such as placental hydrolysate, liver water, umbilical cord hydrolysate, egg yolk extract, etc., are prepared for use in freckle cosmetics.
Substances that change the melanin production pathway such as glutathione kojic acid, arbutin, and vitamin C can also make ecchymoses. The active ingredients for inhibiting the formation of melanocytes include: chloroquine, indomethacin, vitamin C, 9-carotene, green tea, kojic acid, melanin, ebony, cinnamon, licorice oil, and extracts, so how to prevent melanin production Make the skin blacker?
First, pay attention to labor protection to avoid direct exposure to the sun. Ultraviolet rays can promote melanin cells to produce melanin particles, making the skin black. It is best to apply some whitening sunscreen in the exposed area.
Second, pay attention to diet. Usually drink plenty of water, eat more fresh vegetables, hawthorn, carrots, eat less salt to reduce the formation of melanin.
Third, oral vitamin C, which can reduce dopaquinone to dopa, thereby inhibiting the formation of melanin.
Four, can be oral Chinese medicine Liu Wei Di Huang Wan, 8 pills each time, 2 & mdash daily; 3 times.
5, topical decolorization or freckle agent, optional 3% hydrogen peroxide, 5% white mercury drop ointment or use whitening anti-wrinkle cream, anti-plaque whitening cream, protein skin cream, protein ginseng beauty cream, Special whitening powder and so on. If used for a long time, the black skin can have a certain whitening effect.
Six, ban estrogen containing ointment or cosmetics, because estrogen can promote the formation of melanin, such as the application of these cosmetics will make the skin darker, long-term use can lead to skin lesions.
Seven, and the seven emotions, keep the mood comfortable, taboo and worry.
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