... CAS No.9004-61-9 used in cosmetics, pharmacy and health and beauty food Hyaluronic Acid,also named Sodium Hyaluronate. ... It can retain water, keep intercellular space, accommodate osmotic pressure, lubricate and further rehabilitation of cells. In its aqueous solution, a ... olecule HA has furtherance actions.HA has peculiar physical and chemical property and biologic action, widely used in medicine. It ...