AA2G, also known as ascorbic acid glycosides, is used as a photo-aging agent, anti-wrinkle agent and sunscreen agent. It can also be used as a brightening agent and moisturizing agent. It is a vitamin C derivative, synthesized by vitamin C and starch by using enzymes. It is a conjugate composed of glucose molecules connected in the c-2 hydroxyl radicals of vitamin C. In aa2g, vitamin C is stable with glucose. It provides healthier and younger skin for a long period of time to activate the performance of natural enzymes in the skin. It is non-reversible, very stable oxidation conditions.