Sodium Hyaluronate Specifications Standard Appearance White, odorless powder CAS No. 9067-32-7 PH 6.0-7.5 Loss on Drying ≤8% Protein <0.05% Heavy Metal <20ppm Assay 50% Min Packing: 2.5kg in Aluminium drum. / 1000mL/bottle Sodium Hyaluronate, or (NaHA) is one kind of polysaccharides composed of repeat disaccharide units of N-acetylglucosamine and glucuronic acid Commercial NaHA is commonly its sodium salt form. Hyaluronate Acid is the key water maintaining substances in human skin. Bad living environment and aging can cause the decrease of HA content in skin, and as a result the water maintaining ability of the skin is weakened and the akin looks dry and rough .One of the main causes of skin senility is also the decrease of polysaccharides, such as HA. The special structure characteristic of HA makes it has high moisturizing and water content reguating function and its solution has high viscoelasticity and lubricity. When NaHA solution is applied on the surface of skin, it can form an air permeable layer and keep the skin moist and smooth. Small molecular weight HA can penetrate into dermis layer, fully combine with water, promote skin blood microcirculation and nutrient absorption and maintain normal metabolism, and as a result it plays a role of wrinkle removing, look improving and health protecting. Topical grade HA can be used in many kinds of cosmetics, such as cream, milk, water shampoo, lotion, etc. HA is one of the best natural moisturzing components used in cosmetics. We Bulk HyaluronateAcid(Chinese Manufacturer) contains 10mg/mL-30mg/mL of high molecular weight .If you want to buy ,pease don't be hesitated to post your order.