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: --
A hyaluronic acid gel is injected beneath the skin to reduce the appearance of wrinkles and creases.
UV light depletes skin of hyaluronic acid (which gives skin its plumpness).
The procedure involves injections of 20 compounds - drugs, vitamins and hyaluronic acids - to get rid of cellulite.
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.
