Head injury resulting in a broken scalp, trauma or stitches, such patients are not suitable for hair washing. Because early if the wound is immersed in water or pollution is easy to lead to wound infection, 2-3 days after the injury wound to be bandaged, head cover fixed, the wound is clean without changing the medicine, 2-3 days after the change of medicine to confirm that the wound is clean can open the wound, just keep dry, clean can be. If you accidentally get water on top of the wound, you can wipe it with a dry cotton swab, and then re-sterilize it with complex iodine, because the blood flow of the scalp is very rich, very little infection, 5-7 days after surgery to remove the stitches, after the scabs fall, if the wound is completely healed, you can wash your hair at this time.