Delicate and rounded chin is the key of facial contour, also a significant part of perfect face.An efficient way to have a perfect face contour is to reshape the chin. 精致、圆润的下巴是面部轮廓线的关键，也是完美脸形的重要组成部分，进行下巴整形是让你拥有完美脸形非常有效的方法。
