Expert introduction of Zhengzhou Huashan Plastic Surgery Hospital. Just after injection of hyaluronic acid, some people will have red and swollen skin, but most people will disappear after a while. In terms of the side effects of hyaluronic acid, some people will have uneven skin surface after playing, and some people will have a light skin surface color, which will last for several months. These unpleasant side effects will gradually improve after a period of time because hyaluronic acid is gradually absorbed and will not leave any traces on the skin. After injecting hyaluronic acid to remove wrinkles, it may cause temporary slight redness, swelling and itching, which will generally disappear in a few days. Sometimes the skin feels like particles after injection, about 2? It will disappear in three days. In order to avoid postoperative adverse reactions, experts advise patients to do the following nursing work after operation: First, within 24 hours after hyaluronic acid injection, in order to fix the shape, avoid touching the injection site. Second, don't ice compress or hot compress the injection site. Third, avoid strenuous exercise for a short time after injection of hyaluronic acid. Fourth, try to avoid taking aspirin or other similar drugs for promoting blood circulation and removing blood stasis after injecting hyaluronic acid for one week. 5. After a week of lip augmentation hyaluronic acid, try not to touch your lips when eating, so as to avoid the loss of hyaluronic acid too fast due to eating too cold or too hot food. Six, hyaluronic acid injection maintenance general basic maintenance procedures, do not massage in the treatment area. Seven, avoid doing sauna one week after injection of hyaluronic acid. The above is the related contents introduced by experts from Zhengzhou Huashan Plastic Surgery Hospital, hoping to help you. Finally, I would like to remind you that before the operation, please consult the doctor's opinions and suggestions and choose a regular hospital for your operation. Only regular hospitals and experienced experts can operate on you to ensure the safety and success of your operation.