As an important oral beauty ingredient alongside collagen peptide, Hyaluronic acid will undoubtedly inject a new force into health food industry. As an important cosmetic skin care ingredient, Hyaluronic acid mostly appears in oral cosmetic products.Hyaluronic acid (HA) is a straight chain macromolecule mucopolysaccharide, which consists of glucuronic acid and N-acetylglucosamine. Its molecular weight varies from thousands to millions. Ha increased the precursor of HA synthesis, increased the content of endogenous ha, activated the whole body cells, supplemented hyaluronic acid from inside to outside, all-round, without dead angle, and played a whole beauty and health care effect. The HA content in the body is increased by artificial supplementation of hyaluronic acid, and ha loss caused by the increase of age is supplemented. Specification…