Arbutin

Arbutin is one of the most safe and effective whitening raw materials and the most competitive skin whitening and freckle removing active agent in the 21st century. In cosmetics, it can effectively whiten and remove freckles on the skin, gradually fade and remove freckles, melasma, melanin, acne and age spots. High safety, no irritation, sensitization and other side effects, and cosmetics components have a good compatibility, UV irradiation stability. However, arbutin hydrolyzes easily and should be used at PH 5-7. In order to stabilize the performance, appropriate number of antioxidants such as sodium bisulfite and vitamin E are usually added, so as to better achieve whitening, freckle removal, moisturizing, softness, wrinkle-removing and anti-inflammatory effects. Can be used to eliminate redness and swelling, promote wound healing without leaving scars, can inhibit the formation of dandruff.
Ursolic acid (URsolic acid) is a triterpenoid compound found in natural plants. It has various biological effects, such as sedation, anti-inflammatory, antibacterial, anti-diabetes, anti-ulcer and lowering blood glucose. In recent years, it has been found that it has anti-carcinogenic, anti-cancer promoting, inducing differentiation of F9 teratoma cells and anti-angiogenesis effects. It is very likely to become a new anticancer drug with low toxicity and high efficiency. In addition, ursolic acid has obvious antioxidant function, so it is widely used as a raw material in medicine and cosmetics.