Product Description Hyaluronic acid (HA) is a straight chain macromolecular mucopolysaccharide composed Of repeat disaccharide units of glucuronic acid and N-acetylglucosamine. It widely consists in the extracellular space of human and animal tissue, vitreum, umbilical cord, skin joints synovia and cockscomb, etc. The commercial HA is commonly a sodium salt, called sodium hyaluronate, habitually called hyaluronic acid. HA is a new biological at home and abroad. Its molecular weight is from several ten thousand to several million. It's aqueous solution has outstanding moisture keeping ability, high viscoelasticity and lubricity. It is widely used in cosmetics, pharmacy and health and beauty food. Advantages: 1.High purification of more than 99%, with D-glucuronic acid content being more than 45%. 2. Hyaluronic acid is fine classified in terms of different molecular weight , it can be tailored for customers with various requirememts 3. Very low thus hypersensitivity is prevented when using cosmetics 4. Not contain antiseptic and thickening agent. Hazardous chemicals aren't allowed to be used during production so as to guarantee HA product quality.