Sell hyaluronic acid

hyaluronic acid
Sodium hyaluronate is also called hyaluronic acid . It is a straight chain macromolecular mucopolysaccharide composed of repeating disaccharide speace unit of glucuronic acid and N-acetylglucosamine. It widely consists in the extracellular speace of human and animal tissue, vitreum , umbilical cord , skin joints synoveral millions . It is aqueous solution has outstanding moisture keeping ability , high viscoelasticity and lubricity. It is widely used in cosmatics , pharmacy and health and beauty food