What do you mean? If it is nasal plastic surgery, there are generally prostheses (swelling, silica gel), artificial skin, autologous skin tissue, autologous cartilage, autologous fat, hyaluronic acid, botulinum and so on. But no matter what kind of filler, it must be operated safely and effectively in regular hospitals. After all, it is very dangerous to inject or implant unsafe things into the human body. If necessary, the qualification certificate provided by former Mi Chen Can, etc. Please be careful!