Restylane Kysse can create the perfect shaped lips that are full of volume and plumpness. Guaranteed to attract the attention of anyone. With added 0.3% lidocaine to increase optimum comfort of treatment for the patient. Restylane Kysse contains the active ingredient cross linked). Optimal Balance Technology allows Restylane fillers to integrate smoothly into the skin, giving a higher acceptance rate by the patient’s skin. OBT ensures an optimal balance between the level of cross-linking and gel calibration that exists due to an equilibrium concentration of hyaluronic acid.