1, a beauty seeker with a history of severe allergic reactions.

2. The safety of hyaluronic acid has not been tested in pregnant women, lactating rotten women and children, so it is recommended to use it with caution or reuse it in the future.

3, there is coagulation dysfunction.

4, there are active skin diseases, inflammation, infection and migratory diseases or adjacent parts of the injection of hyaluronic acid is prohibited.

5. Hyaluronic acid should not be injected into the site where the permanent filler has been injected.