A face-slimming injection costs 2,000 yuan, or 5,000 yuan. Face-slimming injections are usually divided into domestic and imported ones. Imported ones may be slightly more expensive. Face-slimming injections usually inject flesh into the face. toxin. It is usually suitable for patients with wide facial development, masseter muscle hypertrophy or excessive facial fat accumulation. It is usually best not to inject it for patients with myasthenia gravis or patients with abnormal adrenal secretion.