Pre-operative precautions 1. No makeup should be applied to the injection site before surgery, but a small amount of moisturizer can be used; 2. Make sure there is no inflammation at the injection site before surgery, such as folliculitis; 3. Avoid sleeping face down on the first night after treatment; 2. Avoid water on the injection site on the day after surgery; 3. Avoid drinking alcohol for 24 hours after surgery; 4. Do not massage or rub the treatment area for one week after surgery; 5. 7. Botox usually takes effect in 2-3 days after treatment, and it takes 10-14 days to reach full efficacy, and the efficacy can last for 3-4 months; everyone reacts differently to Botox, and fine adjustment is needed to achieve the best effect, so patients need to be reviewed after 2 weeks, and a free assessment will be made according to the patient’s reaction to provide a reference for the next injection to achieve the best effect. It is recommended to follow up again after 4 months to observe if another injection is needed.