Kojic acid dipalmitate is modified kojic acid derivative, which not only overcomes the instability to light, heat and metallic ion, but also keeps the inhibitory tyrosinase activity and prevents the forming of melanin.
At present, the two most commonly used arbutin in cosmetics are α-arbutin and β-arbutin. In addition, compared with β-arbutin, α-arbutin is more soluble in water and has high temperature resistance, good photostability, no cytotoxicity within a safe dose, and the effect of inhibiting melanin production is stronger than that of β-arbutin 10-15 times, so advanced whitening cosmetics generally use α-arbutin.
The main step of Skin Whitening is to inhibit melanin production. Whitening agents on the market to inhibit melanin production mainly include AA2G, arbutin and its derivatives, kojic acid and its derivatives, vitamin C and its derivatives, endothelin antagonists, licorice flavonoids, cyanines Vegetarian, as well as green tea, azalea, grape seed, Rhodiola and other plant extracts.
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