There are three conventional methods of forehead enlargement: 1, prosthesis implantation, now the prosthesis is used very little, because the forehead tissue is very thin, once the prosthesis is implanted, it is easy to show the shape of the prosthesis, that is, unnatural. 2, fat filler, fat filler is better is very convenient to take materials, but also cheaper, the bad thing is that the fat filler is not a conclusive survival rate is between 30% -70%, the specific The survival rate can not be guaranteed, if the filler does not survive much, you may need a second, third, or even more fillers, if the survival is good, it may be enough once or twice, this is the fat filler. 3, hyaluronic acid, hyaluronic acid, hyaluronic acid damage is small, fast recovery, basically it can be called lunchtime beauty, the bad thing is that hyaluronic acid will be decomposed and metabolized by the human body with the change of time, just as its own hyaluronic acid will also be decomposed and lost, it is also a good idea to use hyaluronic acid to improve the quality of the skin. Uric acid will also be broken down, loss, each has its own advantages and disadvantages, the specific method can be chosen according to the different needs of each person.