Large-scale cosmetic surgery will also leave scars. For example, breast augmentation with prosthesis will leave scars because of surgical incision, but it was cosmetic suture at that time, leaving small scars, which will recover after general nursing;
As for facial plastic surgery, it is generally micro-plastic surgery at present, and it will not move a big knife. Even in a tense posture, facial plastic surgery will still leave scars. For example, if someone opens their eyes or has double eyelid surgery, they will leave scars, but the chances are smaller than ordinary surgery!