... chain macromolecular mucopolysaccharide composed Of repeat disaccharide units of glucuronic acid and N-acetylglucosamine. It widely consists in the extracellular space ... million. It’s aqueous solution has outstanding moisture keeping ability, high viscoelasticity and lubricity. It is widely used in cosmetics, pharmacy ... /bag, 500g/bag, 1000g/bag, 10bags/box,5 bags/box. High Quality Hyaluronic Acid