Hyaluronic acid

Hyaluronic acid (sodium hyaluronate) is normally used in cosmetic, health food, skin care, medical fields. 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. Recommanded dosage: 0.05-0.5% CAS: 9004-61-9 Molecular formula: C28H44N2O23 Molecular weight: 776.6486 MDL No.: MFCD00131348 EINECS No.: 232-678-0 1.Cosmetic Grade Hyaluronic Acid HA is a natural biotic component widely presents in skin and other tissues. It has outstanding moisturizing effect, thus called Natural Moisturizing Factor (NMF) in the world. HA is the best component used in cosmetics for moisturizing from the nature. The role of hyaluronic acid in cosmetics: 1)Moisturizing skin care. 2)Prevention and repair of skin cell damage. 3)Nourish skin, delay skin aging. 4)Good lubricity and smooth the skin. 2. Injection grade Hyaluronic Acid Hyaluronic acid has peculiar physical and chemical property and biologic action, widely used in medicine. It can be used as a viscoelastic agent in artificial crystal planting in ocular surgery, as a fill agent in osteoarthritis, also as an agent in eye drops. It has good action of adhesion preventives in surgerical operations and healing cuts on skin. Compound of Hyaluronic acid and other drug, the additive can make the action of drug delaying. With the development of medical technology. Hyaluronic acid will be more widely used in medicine. 3.Eyedrops Grade Hyaluronic Acid Hyaluronic acid can be used as viscoelastics in eye intraocular lens implantation surgery, and as filler in osteoarthritis and rheumatoid arthritis and other joint surgeries; it can be widely used as a medium in eye drops, and also can be used for preventing postoperative adhesion and promoting the healing of skin wounds. The compound formed by the reaction of hyaluronic acid with other drugs can play a sustained release effect on drugs, thus can achieve the purpose of directional and timing release. Function of Hyaluronic Acid: When it is applied to skin, macromolecular HA can form a thin layer permeable to air, keeping the skin smooth and moist and further protecting it from bacteria, dust and ultraviolet rays, while micromolecular HA can penetrat into corium, enlarging blood capillaries slightly, promoting blood circulation, improving intermediary metabolism and nourishment-absorbing ability of skin, thus eliminating wrinkles, increasing skin's elasticity and delaying its aging. In addition, HA can further hyperplasia of epidermic cell, clean oxygen-derived free radicals, prevent and rehabilitate skin injuries. Its aqueous solution has very high viscosity which can make water become thicker. Cream made by emulsifying HA with oil is fine and even, homogeneous with stable emulsifiction.
cosmetic raw material