You can use injections of face-slimming injections to achieve rapid face-slimming effects. Face-slimming injections are botulinum toxin type A injections. They mainly act on muscle tissue. They are called face-slimming injections because they are commonly used to treat masseter muscle hypertrophy. The professional name for face-slimming injections is botulinum toxin, which is a biological product that can be mass-produced through genetic engineering. Because of its nerve-blocking effect, it is very commonly used in neurology, ophthalmology, plastic surgery, and cosmetic surgery.