Generally speaking, after injection of botulinum toxin face-lifting needle, local adverse reactions include myasthenia gravis and a series of reactions caused by the spread of botulinum toxin to adjacent muscle tissues, and these clinical manifestations are closely related to the injection site and the dose of botulinum toxin.
The most common side effects are bilateral asymmetry or muscle weakness at the injection site. The occurrence of these side effects is related to the doctor's experience, injection dose and injection site. If you hit your face too much, it may cause side effects such as dysphagia, and often there will be drooping eyelids, drooping eyebrows and local swelling. But as long as you choose experienced doctors in regular medical institutions, you can effectively avoid side effects.
Face-lifting needles, like hyaluronic acid, will be absorbed. After half a year, they may lose their function and need to be supplemented. Facial drooping is also one of the side effects of face-lifting needle.