You can wash your hair 5-7 days after the melon face plastic surgery. Melon face plastic surgery is to sharpen the chin by means of cheekbone plastic surgery, mandibular angle plastic surgery and buccal fat pad removal. However, after the melon seeds face plastic surgery, the face will be red and swollen, so you can't wash your face and wash your hair to avoid wound infection. Be careful not to eat irritating food.