RestalynEach of the Restylane family of products is a clear gel formulation of hyaluronic acid that is specifically formulated to act like your body’s own naturally produced hyaluronic acid, helping to instantly, visibly reduce moderate to severe facial wrinkles and folds, such as the lines from your nose to the corners of your mouth (nasolabial folds). Some Restylane products can also add fullness to your lips (Restylane, Restylane-L and Restylane Silk only). Restylane may be used for lip enhancement in patients over 21 years old.