What are the potential risks of receiving too many瘦脸针 (facial slimming injections)?

Facial slimming injections, commonly known as瘦脸针, typically refer to injections containing botulinum toxin, used to temporarily reduce facial muscle activity and achieve a slimming effect. However, excessive or improper use may lead to several potential risks: 1. Muscle atrophy: Long-term and excessive injections may cause gradual atrophy of the muscles in the injected area, affecting normal facial expressions and facial contours. 2. Nerve damage: Overdosing or imprecise injection may injure surrounding nerves, causing numbness, pain, or uneven facial expressions. 3. Immune response: Repeated injections may increase the body's production of antibodies against botulinum toxin, leading to reduced or diminished treatment effectiveness. 4. Uneven results: Injections that are unevenly administered may result in facial asymmetry, affecting aesthetic appearance. 5. Allergic reactions: Although rare, some individuals may be allergic to components of botulinum toxin, causing adverse reactions. 6. Skin complications: Skin problems such as redness, swelling, bruising, or infection may occur at the injection site, requiring timely treatment.