Three percent of patients have hypersensitivity problems, and some develop allergic reactions as long as three to four years later. A collagen created with tissue taken from human cadavers. The results last four to six months, then must be repeated. Can carry the risk of becoming infected and may feel slightly hard and unnatural. A hollow, tube-shaped implant made from synthetic material.
New tissue grows into and around the tube.
Results are permanent, but may feel slightly less natural. Skin taken from a patient is sent to a lab that makes collagen from it, so the chances of allergic reaction are eliminated. Results are permanent. The marking of the lips is done intraorally creating a set of W s on the interior of the lips. Some cases a catheter is used and a needle threaded with a steel wire is passed through the center of the lip and then perforated by the catheter.