瘦脸与磨牙（咬肌）治疗

a) Duration of results: The onset of the reaction is within 3 weeks. Results typically last for 3-6 months, depending on various factors such as the dosage, metabolism,
and muscle strength.

The results generally improve significantly over the first year of treatment. Finally, as the muscles relax and atrophy over time, less botulinum will be needed and there will be longer periods between treatments.

b) Downtime: Minimal