There are too many fake microcrystalline porcelain on the market. It's fake bone powder from domestic animals, which can't be absorbed at all. Will leave a thick mountain root in the future. Authentic microcrystalline porcelain is expensive, generally ranging from 8000- 1200 per needle. Of course, the high price does not mean that all products are genuine, and hyaluronic acid also has a good effect, and the duration varies from a few months to a little more than two years.
It is recommended to do autologous fat transplantation and PPP filling, both of which are self-safe and permanent and natural once they survive.
Check online more yourself. After all, on the face, it is better to be cautious.