The redness and swelling come from the high water absorption of hyaluronic acid. Generally, from 24 hours to 48 hours, in the early stage of hyaluronic acid injection, there will be a short period of redness and swelling at the injection site, which is a normal phenomenon.
It is usually not obvious, and it fades quickly, no need to worry. It is normal for the swelling to last about 3 days after the injection. The swelling period for people with sensitive constitution may take about 4-7 days.
Just after the injection of hyaluronic acid, remember not to apply hot compresses without permission, not to massage, try not to touch the injection site within 6 hours, do not eat spicy and irritant food within a week.
Bruising of the skin after injection of hyaluronic acid is also a common postoperative reaction. This is mainly due to the abundant capillaries under the skin, which will inevitably cause small damage and bruise when injected. Generally, the bruise will disappear within 4-7 days.
The muscle feels unnatural after injection of hyaluronic acid, which is actually an illusion. During injection, hyaluronic acid is injected into the dermis or periosteum upper layer of the human body and does not act on the muscle. In principle, it is impossible to cause muscle abnormalities.
When hyaluronic acid is used for large-area filling (such as apple cheek, nasolabial folds, temples, chin), the beauty seeker will feel uncomfortable at first and have a sense of foreign body, but this is not a problem with facial muscles. If there are no other abnormal symptoms, the hyaluronic acid gradually merges with the skin in one to two weeks, and it will gradually improve.