Hyaluronic acid 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. It is a special mucopolysacharide that is the normal lubricant in human joints. When present in a joint, even a joint with minimal or no cartilage, it can provide a cushion effect. Cosmetics Use:HA is extensively used by the cosmetic industry and by dermatologists in anti-aging and moisturizing products as HA is very hydroscopic (absorbs and retains water). We are factory with over 14years' production and rich experiences of Hyaluronic Acid /Sodium Hyaluronate Powder in high quality natural ingredients Professional R & D Dep. for innovation product 100% Natural product, without any synthetic ingredient; Highly technology quality,competitive price,excellent service. Free samples available