There are several ways to permanently eliminate scars, such as small needle beauty, skin grafting, Botox injection and so on. According to the degree of your injury and the depth of your scar, there are different methods. If the scar is not deep and obvious, it can also be wiped with fruit acid. However, the specific situation is best to go to a professional beauty hospital to ask, and its means and costs are different. Go to consult in person!