The swelling time after hyaluronic acid injection is: (1-3) days. The injection site will be swollen and red, and sometimes there will be mild bruises. The injection site feels hard. (4-7) days

The swelling subsides relatively quickly, with mild swelling and bruise absorption, and the morphological effect is obvious. If hyaluronic acid is injected into a large area, it will usually take 2 weeks to be more natural. Small area injections usually return to their natural state within one week.

Precautions after injection of hyaluronic acid

1. Within 24 hours of injection, the eye of the needle should not be stained with water, keep it clean and dry, and do not squeeze the injection site.

2. Within 6 hours of injection, do not apply medicine or cosmetics on the injection site or around the needle hole to avoid irritation to the skin. Just stay face-to-face.

3. Within 24-48 hours after injection, do not perform facial massage, laugh or cry. To avoid causing changes in the shape of the injection site.

4. Within 3-5 days after the injection, do not eat spicy food such as chili, seafood, beef and mutton; do not take a sauna, and try not to take aspirin or other similar drugs for promoting blood circulation and removing blood clots.