Slimming face injection, is now very popular one of the micro-plastic surgery. For countless women who want to have a delicate and small face, it has brought the gospel! So, do you really have a complete understanding of face-slimming injection? 1, what is the main ingredient of the face-slimming injection? Are these ingredients harmful to the human body? The main ingredient of face slimming injection is botulinum toxin, which is very commonly used in neurology, ophthalmology, plastic surgery and cosmetic surgery. The current dose is only one percent of its maximum safe dose, as long as you master the injection technique, the amount, it is very safe! 2.How is face slimming injection used? What do you need to pay attention to after injection By blocking nerve transmission, reducing muscle movement, causing biting muscle atrophy, to achieve the purpose of face slimming. Generally, 1~2 injection points are selected for injection on each side. After injection, do not carry out local massage, there is no need for other special treatment, generally normal chewing movement can make the medicine in the muscle tissue gradually diffusion. 3.Why use face slimming injection to treat biting muscle hypertrophy instead of directly removing the flesh muscle? Due to the excision of biting muscle, it is difficult to grasp the amount of muscle cut out and the depth of muscle excision during the operation, which is prone to unsatisfactory effect, increase the chance of bleeding, hematoma and infection, and in serious cases, it may result in asymmetry of both sides of the face, paralysis of the facial nerve, clenching of the teeth and muscle spasm for a longer period of time. 4.When does the face-slimming injection take effect and how long does the effect last? After 2 weeks of injecting face slimming injection into biting muscle, you can feel the decrease of chewing power, there is no obvious bulging phenomenon of biting muscle, and there is no obvious contraction of biting muscle when touching it locally by hand. Generally 1 month after injection of botulinum toxin, you can observe the atrophy of biting muscle and the change of face shape, and its effect generally lasts about half a year to a year. 5.What are the side effects of face slimming injection? Under the premise of correct injection, there are no significant side effects. Possible adverse reactions mainly include excessive weakness of the biting muscle caused by over-injection, stiffness of expression caused by dispersion of botulinum toxin, and fever, discomfort and fatigue in individual candidates. These clinical manifestations generally need to disappear within a few days. If it does not go away for a long time, please consult a doctor in time! 6.Will there be rebound after injection? After Botox injection, the effect can generally be maintained for about 6 to 8 months, and the bite muscle will gradually recover after the effect of the drug is lost. However, after repeated injections, the duration of effect will be longer and longer. After 3-4 times, the effect can usually last for about 1 year, and a few people can even maintain the effect of bite muscle without injections in the future. Repeated injections of botulinum toxin within a safe cycle are generally not harmful to the body.