Due to the high water absorption of hyaluronic acid, it is normal to fill part of the swelling within three days after injection, and some people with sensitive constitution need to swell for a longer time, about a week. Fasting spicy food within one week after injection. If there is still redness and induration after one week, you should see an injection doctor and analyze the specific reasons.

Remind friends who love beauty that injection is a medical act and an invasive treatment. This treatment is environmentally demanding. The injection needs to be carried out in a professional injection room or an operating room where air disinfection is carried out every day, so as to prevent bacteria in the air from entering the body through injection pinholes and biofilm phenomena, resulting in long-term redness and induration of the injection site after injection. And the choice of injection products is also very important.