Sodium Hyaluronate is used in treatment of osteoarthritis patients who continue to have persistent knee pain despite availing different other kinds of treatments. Osteoarthritis is considered to the most common type of arthritis which occurs when the cartilage between joints wears down. Research has found Sodium Hyaluronate to be very helpful as a long-term treatment of osteoarthritis pain. Sodium Hyaluronate plays an important role in several biological processes like proteoglycan organization, tissue hydration, cell differentiation, proliferation and angiogenesis. It plays a basic role in processes of tissue repair. It is also a useful skin care ingredient. Sodium Hyaluronate can also be applied to stimulate healing of tissues after surgery. It is beneficial in reducing bad effects of autoimmune disease.