It is a kind of biological ribonucleic acid substance, which is rich in human body, so it is still very safe. But so far, only five manufacturers with medical qualifications in the world can produce hyaluronic acid for medical beauty, and the price is expensive. However, some small hospitals shoddy, resulting in

Surgical complications

So I suggest you find a regular hospital for an injection. but

I have a friend.

It was done in Changhong Hospital.

Hyaluronic acid injection

The effect is not bad, you can go there for consultation.