Plastic surgery by hand, of course. After all, the main reasons for the asymmetry between the left and right faces are: unilateral chewing, eating hard objects and getting used to unilateral sleep. Freehand plastic surgery is safer in this respect and has no side effects. Compared with the pictures advertised on the internet, how to compare them, whether they are true or not remains to be determined. Freehand plastic surgery will not be so exaggerated, but the effect is still very good. For example, Fan Xiaoxiang's level of freehand plastic surgery can completely achieve this effect, and there is no harm. I hope I can help you! ! !