The entire procedure takes around 20 minutes to complete. A prescription-strength numbing gel is placed on the lips to minimize discomfort. Those who are anxious about the treatment may receive a dental nerve block. Patients should expect a mild pinch from the needle and pressure during the injections. Once the filler is in place, the lips are gently massaged to ensure no bumps have formed. A cold pack is placed on the injection sites for several minutes to reduce swelling.