Sodium hyaluronate is the fourth-generation bionic cosmetic additive. It was discovered in 1934 by KARL MEYER from the vitreous of the bull’s eye. It is a macromolecular polysaccharide extracted from the vitreous of the bull’s eye. It has the three characteristics of anti-aging and fresh-keeping packaging and the use of biotechnology. Sodium hyaluronate itself is one of the components of human skin. It is the most widely distributed acid mucosa in the human body. It exists in the matrix of connective tissue and has a good moisturizing effect.