Botox is a toxin produced by Clostridium botulinum, a neurotoxin originally used to treat facial muscle spasms and other muscle movement disorders by paralyzing muscle nerves to stop muscle spasms, and later used in medical aesthetics. Botox can block the nerve impulses between nerves and muscles to relax the small over-contracted muscles, thus achieving the effect of wrinkle reduction. Alternatively, it can be used to temporarily paralyze muscles, causing them to atrophy due to loss of function, to achieve the purpose of sculpting lines, which is commonly referred to as wrinkle removal and face slimming. The method is easy, safe, low cost, and reusable, making it highly focused in cosmetic surgery in large and medium-sized cities, and its application extends to a broader space of facial sculpting alone or in combination with other cosmetic means. The side effects of botulinum toxin face slimming The principle of botulinum toxin face slimming is to use botulinum toxin to paralyze the nerves and make the muscles atrophy to achieve the purpose of face slimming. The experts pointed out that botulinum toxin itself is a toxic substance, if not controlled in the dose, then there will be a danger in the injection of botulinum toxin, but the current use of the dose is only one percent of its maximum safe dose, so it is very safe. Although botulinum toxin face slimming does not generally cause danger in terms of dose, it does not exclude the side effects of botulinum toxin face slimming caused by other factors. Here is a specific understanding of the following. 1, may cause local numbness, pain, swelling, erythema, bruising and other symptoms. 2, facial expression dull, muscle activity asymmetric, nasolabial folds asymmetric. 3, botulinum toxin face slimming if the injection is not proportional, easy to cause local depression and cheeks are not the same on both sides. 4, because of the toxicity of botulinum toxin, if the injection dose is too much then easy to cause local fibrosis, muscle atrophy, permanent muscle paralysis. 5, botulinum toxin face slimming, easy to cause mild nausea, a short headache. 6, individuals may also have allergic reactions. The recommended is that the operation should be carried out in a regular hospital by a professional physician with good skills. Because of the regular source of drugs, strict storage, professional physicians are familiar with the local anatomy, there is a perfect protection system and risk avoidance.