The face-lifting needle was used for two months, and the cheeks on both sides were sunken, and the temples were also sunken, and the cheekbones were particularly high. Now the whole face looks like a gourd. How to solve this situation? Face-lifting needle, that is, botulinum toxin A injection, is often used to solve masseter hypertrophy. It's called a face-lifting needle. The principle is to inject botulinum toxin into the masseter muscle to make it shrink, so that the face will lose weight. There will be no problem in using regular products for face-lifting needles in qualified hospitals. Facial ptosis is caused by improper operation or excessive injection.