Pronounced cheek-lip grooves(naso-labial folds) create an impression of sadness and tiredness. They are also a sign of aging. Their correction is carried out in conjunction with a face lift operation. In some individuals it is possible to obtain a significant improvement without face lifting. Fig 35. A minor procedure utilizing local freezing and a small incision hidden in the nasal groove can be performed on an out-patient basis. A non-silicone material (Goretex), which has proven its safety and good compatibility with human tissue since the early 70's, is implanted deep under the skin, filling up the depressed area.