Botulinum toxin injection mainly uses type A botulinum toxin needle, which can block the nerve activity of nerves and muscles, paralyze over-developed muscles and achieve the effect of slimming. Generally, you can see that the injection site begins to lose weight within 1-2 weeks after botulinum toxin injection, and the face-lifting effect reaches the best about 2 months after operation. At this time, the muscle can be reduced by about 30%.

However, due to the influence of physical factors, some beauty lovers may not be able to show the effect until 3-4 weeks after operation. This is a normal phenomenon, so don't be too alarmed.