Sodium hyaluronate is widely used in cosmetics,pharmacy and health and beauty food. Food grade HA:Oral it can defer crowd senility;prevent arthritis,arteriosclerosis,plus disorder and brain atrophy.Oral HA can make one full of bean and be rich in youth energy. Cosmetic grade HA:it has a good compatibility and can be added in various cosmetics such cream,lotion.cosmetic water,essence,milk forfacewashing,liquid for bath,agentfor hair washing and protection. Medical grade HA: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.