- Hyaluronic acid is polysaccharide (sugar-based) component of connective tissue, including the skin. Its water-binding and elastic properties have skin-plumping effects. Hyaluronic acid also lubricates tissues and joints.
- Hyaluronic acid is used in osteoarthritis treatment, ophthalmic (eye) surgery, and tissue engineering. It may be injected into a joint or into the skin, taken by mouth, or applied topically. Hyaluronic acid fillers are popularly used to minimize the appearance of facial wrinkles and to plump skin in the cheeks and chin.