There is no absolute disadvantage of washing hair in the morning, if there is no cold, the water temperature is moderate, the impact on human health is not great. If you wash your hair in the morning and do not pay attention to protection, cold and windy easily caused by dizziness, cold and other symptoms. Just wake up in the morning, the blood flow in the body is slow, if immediately wash your hair, it will suddenly accelerate blood circulation, at this time if you go out and do not pay attention to protection, easy to cause dizziness or cold symptoms, especially in the fall and winter seasons when it is cold. If the morning hair washing water temperature is appropriate, before going out to dry the hair, then the impact on human health is not great. It is recommended that the morning after washing hair water temperature should be moderate, the hair will be blown dry before going out, every two to three days to wash your hair, in the process of washing hair, to avoid rubbing, scratching the scalp, the scalp can be used to massage the scalp gently with the fingertips, to help clean the scalp, to protect the hair.