When hyaluronic acid has just been injected, avoid touching the injected area before the needle is restored. If there are obvious pinholes, artificial skin or cosmetic tape can be applied to the affected area to isolate the wound. , reduce the possibility of wound infection. Since hyaluronic acid is highly absorbent, it will absorb moisture from the body after being injected into the body. Therefore, your skin may feel very dry within a week after the injection. It is recommended to strengthen wet compresses, especially moisturizing masks. By increasing water retention, the skin will become brighter and more supple, but avoid applying skin care products that are too irritating to avoid sensitivity and discomfort. Specific precautions can be summarized as the following 9 points: 1. Do not apply heat or heat to the injection site; 2. Avoid strenuous exercise for a short period of time after the injection; 3. Do not wear makeup or drink alcohol on the day after hyaluronic acid injection. 4. Maintain general basic maintenance procedures after injection, and do not massage the treatment area in particular; 5. Within 24 hours after injection, in order to fix the shape, avoid touching the injection area; 6. One week after lip augmentation, try not to touch your lips when eating , avoid eating cold or overheated food, which will accelerate the loss of hyaluronic acid; 7. Do not take aspirin, anti-inflammatory analgesics, ginkgo, garlic, vitamin A, vitamin E, etc. within one week after hyaluronic acid injection; 8. After hyaluronic acid injection Do not sunbathe, sauna, steam room, or have laser surgery, or go to extremely cold places for a week. These may cause the filler to undergo qualitative changes before it is combined with the skin tissue; 9. Remember not to rub the hyaluronic acid within one week after injection to prevent the hyaluronic acid from spreading before it is finalized. Most people can’t help itching their hands and rub the area vigorously. Therefore, it is recommended not to touch the injection area within 6 hours after the injection.