Botulinum toxin type A is the main component of face slimming injection, a small amount of injection can achieve a slimming effect, the effect on the muscle, the maintenance time is usually 3-6 months, after which the effect disappears. The maintenance time is related to each person’s metabolism, and the dose of injection, the brand of injection (domestic, imported) have a lot to do with it. After the slimming injection is not immediate, generally 10 days after the operation began to gradually play a role, 2-3 months after the effect reached the best. It is recommended that candidates inject 1 time in 4 months, 3 times in a row, can maintain 1-1.5 years or so of thin face effect. Usually, both sides of the face slimming injection should be played. For patients with asymmetric face shape on both sides, you can correct the asymmetric face shape by playing more on one side and less on the other. After the face slimming injection should pay attention to the following aspects: 1, 24 hours can not take a hot bath, sauna, can not go to a seriously polluted place; 2, 1 week, can not eat too hard, irritating things; 3, the quality of the face slimming injection on the market vary, the beauty seekers need to go to the regular hospital for treatment, to avoid adverse reactions, affecting facial beauty. Although the effect of facial acupuncture is very good, but not all people are suitable for facial acupuncture, only for the bite muscle hypertrophy of the candidates, so to combine their own situation, choose the regular hospital, by a qualified physician to operate.