How can you be sure that Contura's LTF is not harmful in the long term?
Contura's LTF has been used for aesthetic correction for more than ten years in 30,000 patients. Retrospective studies have not shown any long-term side effects, clinically and histologically. Numerous toxicological studies have been carried out on animals. They have shown that Contura LTF gel implants are tolerated for long periods of time without biodegradation. Preclinical studies have not shown any cytotoxic effects, any systemic or pyrogenic effect, any effect on the blood or on enzyme activity.
Components of the gel have been used for many years in the United States and Europe for treatment of drinking water. Injection of contura's LTF causes only mild reaction in the surrounding tissue which is minimal compared with reactions to other foreign bodies. This indicates that the polyacrylamide gel is well tolerated by the human body. There is no calcification, no carcinogenic effect, no inflammation and no local allergic reaction. The gel is not found in the lymph nodes. Contura's LTF does not cause any allergic reaction or any other immunological effect either in animals or in humans. Contura's LTF does not migrate. In fact, its high molecular weight makes migration impossible