About the choice of expansion and silicone will always make many patients repeatedly torn. The United States Gore (Gore) company developed the tissue filling material ePTFE (expanded polytetrafluoroethylene), referred to as tumescent. This high-tech polymer has been widely used in medical products and implanted in various parts of the body, such as artificial blood vessels, artificial heart envelope, etc.. Tumescent is not like other materials that may cause rejection by the body. So it stays permanently in the body. Millions of ePTFE implantations have been performed worldwide so far, and no allergic and rejection reactions to the material have been found. At the same time, tumescent is a porous solid material, it has many microporous, allowing the body’s own tissue cells to grow into and establish blood circulation, and autologous tissue effectively “fusion” as one, so the feel of soft and elastic, and autologous tissue almost no difference. In the past, the domestic commonly used cosmetic plastic materials are mostly solid silicone rubber, solid silicone is a commonly used tissue substitute since the 1960s, although there is a very good tissue compatibility, but also occasional rejection, after implantation of the body, can not be “fused” with the autologous tissue, only by the fiber envelope, can not establish blood circulation, in the tissue Weaker and need to elevate the site, often resulting in local skin ischemia, necrosis, rupture and silicone exposed, tumescent almost overcome all the above-mentioned material disadvantages, is currently the ideal cosmetic plastic surgery materials. In addition to the bulge can be used for nasal augmentation and nasal tip elevation and shaping, but also cushion the temporal forehead widening, can raise the forehead to increase the arch of the eyebrows, raise the cheekbone augmentation jaw, change the shape of the face and so on. It is worth reminding that, because ePTFE (expanded body) is a high-tech material, so the price is higher than the general cosmetic materials. In addition, the bulge implantation of surgical conditions, operating procedures and precision requirements are very high, so you should ask experienced surgeons to perform the operation.