0 a substance that is an important part of skin and connective tissue (= material that supports and connects organs and joints in the body), and that is used in some products and treatments intended to make the skin healthy and attractive:
Saliva is rich in naturally occurring hyaluronic acid, a molecule that binds to the surface of a cell, making it easier for the cell to move around.
The procedure involves injections of 20 compounds - drugs, vitamins and hyaluronic acids - to get rid of cellulite.
UV light depletes skin of hyaluronic acid (which gives skin its plumpness).
A hyaluronic acid gel is injected beneath the skin to reduce the appearance of wrinkles and creases.
