& ltp> If you feel that your masseter muscle is large and want to lose weight, don't have surgery. At present, the more common way is to inject face-lifting needle to thin masseter muscle, which is an improvement method with more choices and is almost suitable for all kinds of people. & lt/p & gt； The effect of<p> injection of face-lifting needle is the first medical beauty project that all friends try. Because of its simple method, no operation, short operation process, short postoperative recovery period and quick effect, it is well received by the public. & lt/p & gt； & ltp> And compared with some plastic surgery projects, the face-lifting needle injection is almost non-invasive, and the recovery time will be much shorter, and you can have your own satisfactory face-lifting effect in about one week. & lt/p & gt； The principle of<p> face-lifting needle to contract the masseter muscle is to inject an appropriate dose into the masseter muscle, block the masseter nerve in this part, make the masseter muscle temporarily inactive, and achieve the effect of contracting the masseter muscle. & lt/p & gt； & ltp> And because the effect of injection is not lasting, it will return to its original effect in about half a year. If you don't like the improvement now, you will change back in about half a year. If you like this effect, you can continue to maintain it with another injection and choose personalization! & lt/p & gt；