If you want to effectively care for your skin, of course, you must have a certain concept of ingredients. It not only depends on the promotion of the product, but also on the ingredients of the product. Today we will talk about the ingredient of skin care products ‘ kojic acid ’.
‘Korokic acid’
Korokic acid is a microbial fermentation product, mainly used for whitening and fighting color spots, but there are certain problems in terms of safety. It is banned in some areas. Currently, the highest use in Japan is 1%, and EU is 0.7%. There is no requirement in China, and the mainstream believes that 2% is safe.
'Koronic Acid'
1. Inhibiting psychinase activity: Konolic acid is similar to vc, and can chelate copper ion . When it binds, it is inactive for psychinine.
2. Inhibit the production of melanin oxidation intermediates: Konolic acid can be oxidized by the intermediate product dopaquinone, inhibiting the conversion of melanin intermediate from dopaquinone to the final melanin.
'Kojic acid' off-topic
Kojic acid may lose its activity in a strong light or fruit acid environment. Therefore, skin care products containing kojic acid are recommended to use at night and avoid using them with acidic ingredients such as salicylic acid , fruit acid, etc.
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