The active ingredients of Glycyrrhiza uralensis can effectively reduce the generation and deposition of melanin. The whitening effect is about tens of times of vitamin C, and it also has antioxidant function, which can prevent skin aging or blackening. Glycyrrhizin, also known as glycyrrhizin, is a natural skin care component extracted from a plant named Glycyrrhiza light fruit. It's very hot because it's a recognized whitening ingredient.
It shows the anti free radical oxidation effect is very strong in cytochrome P450/NADPH oxidation system, which can inhibit the in vivo process The new supersedes the old. free radicals, to avoid sensitive to oxidation of biological macromolecules (low density lipoprotein LDL, DNA) and cell wall by oxidation of free radicals. It can prevent some pathological changes related to free radical oxidation, such as atherosclerosis, cell aging and so on. In addition, Glycyrrhiza light has a certain effect of lowering blood lipid and lowering blood pressure. Glabridin can effectively inhibit DOPA transformed into melanin, thus reducing sunburn and formation of melanin in the skin surface to stay. The above is the principle of whitening of Glycyrrhiza.
As we all know, only a few high-grade whitening cosmetics are chosen as the main functional components, such as Lancome, Dior, Sonia Rykiel, Chanel and so on.
As the source of Glycyrrhiza glabra is not widespread, plus a variety of filtration, extraction technology is very complicated, in 1000 kg of fresh leaves of Glycyrrhiza glabra root, can only be extracted by less than 100g of the light licorice. These two conditions make the single gram of Glycyrrhiza more than 200 yuan, almost the same as gold! So the light licorice also got the title of "whitening gold". The gold name of glycyrrhizin has another meaning. It is a gold grade effect in many whitening ingredients. It is found that the inhibitory effect of melanin on melanin is 232 times higher than that of vitamin C by testing the inhibitory IC50 value of melanin.
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