The most durable way to augment a lip is to use body fat.
This procedure is called lipofilling. This operation can be performed under local or general anaesthesia. A small amount of fat is harvested from the thighs, the buttocks or the abdomen by suction through a skin puncture (liposuction). The fat particles are purified and injected in the lips.
Treated lips swell a lot for two to three weeks. Usually, the result at one year after the operation is long lasting.