Common caviar extract is used as skin conditioner, humectant and antioxidant in cosmetics. It can provide skin with moisturizing, nourishing, anti-aging, vitamin supplementation and protective functions, and can help skin reverse the aging process. Carbohydrate can moisturize, protein can nourish, high content of unsaturated fat can moisturize dry and aging skin, and vitamins and trace elements can restore skin vitality.