Restylane Efficacy, safety and long-lasting results
Unlike other esthetic products on the market, Restylane has undergone extensive histological and clinical studies. There is an impressive and increasing body of evidence of its ease to use, tolerability and effectiveness. A number of comparative studies with other implant materials are ongoing.
Efficacy
Restylane contains the same high concentration of stabilized hyaluronic acid: 20 mg per ml. The NASHA gel concentration has been carefully selected to provide optimal maintenance of volume for tissue augmentation and lifting. Read More 
Safety
Since Restylane contains only minimally modified hyaluronic acid, a natural constituent of human tissues, it is biocompatible and very safe. There are no contraindications to the use of this product and the precautions are mainly those that should be observed for any intradermal injection. Read More
Long-lasting results
Clinical trials show that Restylane is effective for up to one year after the treatment of wrinkles and six months after lip augmentation. Read More