1, autologous fat
This kind of material is easy to obtain, has no toxic and side effects, no rejection after operation, and has good compatibility with itself. It is the most popular filling material at present.
2, hyaluronic acid
This substance itself exists with the human body itself. After injection, it has the same safety characteristics as autologous fat, and it is the most commonly used beauty product at present.
3. Swelling
It is a stable, non-toxic and harmless polymer material with good compatibility with human tissues. There are many micropores on its surface, which can make human blood vessels grow in and be as strong as their own tissues after recovery.
4, silica gel
This material is also stable, non-toxic, soft to the touch, easy to implant and take out, and is also widely used in rhinoplasty and other aspects.