Restylane Defyne is a soft-gel filler containing 0.3% lidocaine to increase optimum comfort of treatment for the patient. One of main ingredient of Restylane is biocompatible hyaluronic acid. So this product provides instant result that are natural. It’s key properties are to keep the skin hydrated whilst adding plumpness. Before you start to use Restylane inform your Physician of any previous permanent products or body enhancing products you have used.