Restylane, Juvederm and Hylaform are made from Hyluronic acid a substance found in all living organisms. It almost never causes an allergic reaction. Injection allows for 'plumping up' of the tissues into which it is injected for three to six months. It is used for enhancing the lips and softening facial lines and wrinkles. It can also be used to fill in hollow areas in the face that have occurred with time or weight loss.
There are other fillers that may be used for more permanent enhancement once patients are sure that they like these enhancing techniques.
Results may vary.
Prices range from about $550 to $650 depending on the filler used.