1. Temporary slight redness, swelling and itching may occur after injection of hyaluronic acid, which can generally be relieved after one week.
2. People with hyaluronic acid sensitive to skin or weak blood vessels may have some congestion after injection, but it won't last long.
3. After injection of hyaluronic acid, there may be a granular touch on the skin, which usually disappears after one week.
4. Overinjection: Overinjection should go to the hospital in time, and some only need the doctor to deal with it immediately, and serious injections need to be taken out. It is more difficult to take out the injection than to inject it, so you should fully communicate with the doctor before the operation.
5. Pigmentation: Under normal circumstances, pigmentation will occur if the injection is too shallow or if you don't pay attention to sun protection. /kloc-After 0/month, you can use the whitening mask for 4-6 times, and the pigmentation will be reduced or disappeared.
6. Infection: Injection is also an invasive operation, which may lead to infection. In case of infection, you should go to the hospital in time.