Hyaluronic acid, as a popular player in microplastic surgery, has many uses, such as hydration and beauty, filling and shaping, and smoothing wrinkles, and is therefore loved by many girls. What exactly is hyaluronic acid? The actual fact is that the actual people who love beauty should know about it, so let’s not talk about it today and say something that you care about. Hyaluronic acid injection precautions 1, before the injection of hyaluronic acid, to keep the skin clean, face cosmetics, skin care products should be washed clean, you can use facial cleanser to clean, but also appropriate use of cold water cleaning, in order to facilitate pore contraction! It is recommended that recent candidates who want to go to the hospital for hyaluronic acid injection should not take anti-inflammatory drugs (such as aspirin, etc.) for at least 3-4 days before treatment, and if they take anti-inflammatory drugs, they should also explain the situation to your attending physician! 2.After hyaluronic acid injection, try to avoid face massage! You should reduce the forward head tilt and movement, and within 3 hours, don’t do strenuous exercise! 3.Don’t press the injection site at will, avoid crying and substantial face movement. 4.Do not apply cold compresses and hot compresses to the injection site. 5.After the injection, you should pay attention to the maintenance of your face. 6, and of course, follow the doctor’s instructions, do not take the doctor’s words as a whisper! Many girls are worried that their hyaluronic acid injections will have serious side effects, and after injecting hyaluronic acid, their skin will be a little red and swollen, and they will be very nervous for fear that they will be disfigured. In fact, hyaluronic acid injection may produce temporary slight redness, swelling and itching, which usually disappear in a few days, and these are the basic symptoms of all surgeries. If you are really worried, you can go to the hospital for a follow-up examination. Possible symptoms after surgery 1. Local redness: local redness is a phenomenon that occurs in many girls after hyaluronic acid injection, and the physiological redness will last 1-2 days! But if it does not disappear in three days, please go to the hospital for examination and treatment in time! 2.Local swelling: after hyaluronic acid injection, it usually disappears in 1-2 days. 3.Local bruising: when injecting hyaluronic acid, the skin capillaries will be damaged and bruises will be formed, which is what we call bruises, and generally, the bruises will slowly disappear in 1-2 weeks. 4.Pigmentation: pigmentation is usually caused by not paying attention to sun protection after hyaluronic acid injection, so the girls should pay more attention to sun protection than usual after hyaluronic acid injection to prevent pigmentation. 5, infection: the chance of infection is very small, improper cleaning may cause infection, once the infection occurs, go to the hospital in time! Although the side effects of hyaluronic acid have been clinically proven to be minimal, it does not mean that it is OK after hyaluronic acid injection, but it is also necessary to take good care of it after surgery so as to achieve more ideal results.