1. Collagen is a biopolymer, which is the most abundant and widely distributed functional protein in human body. Widely used in food, medicine, tissue engineering, cosmetics and other fields. As far as the skin is concerned, the main functions of collagen are:

2, moisturizing and nourishing, collagen contains some pure natural and clear moisturizing factors, which can help the skin to lock moisture, and can also prevent the generation of melanin in the skin, which has a certain whitening and moisturizing effect;

3. Collagen has a certain skin lightening effect. Collagen can accelerate the metabolism of skin cells, promote the natural exfoliation of keratin, eliminate pigmentation and dilute skin spots. Collagen can also regulate the endocrine function of the skin, increase the smoothness of the skin and maintain the water-oil balance of the skin;

4. Collagen has the function of firming skin and preventing wrinkles. When collagen is absorbed by the skin, it can promote the generation of active cells in the skin, fill between epidermis and dermis, increase the elasticity of the skin, repair some depressions on the skin surface, improve the coarseness of pores and delay the generation of wrinkles.

5. Collagen has certain antioxidant and anti-aging effects. After collagen enters the skin, it can also remove free radicals in the body, resist oxidation in many ways, repair broken and aging elastic fibers, restore skin elasticity, and thus slow down skin aging.