It is possible to wash your hair with a mild concussion, but it is also important to be clear about the specifics of the situation. Generally, as long as there are no obvious cracks or contusions on the scalp and the tissues on the outer surface are normal, then it is possible to wash the hair. There is also a very important point, because after suffering a concussion, especially the first three days, it is likely that the patient will appear dizziness, nausea, vomiting, this time washing hair may be due to hot and cold stimulation, accelerate the dizziness, headache traits, thus producing a variety of adverse reactions. There is also because the body position of the head washing to change, many times will aggravate the dizziness, and even cause fainting, so it is recommended that there are special chaperones present in the case of hair washing, and it is best to take the supine position, and then let others to give the hair washing, rather than their own in the shower room, so as to better ensure their own safety. In general, if the concussion is mild, more than a week, washing hair is not a big problem.