It is possible to wash your hair during the physiological period because it is very important to keep your scalp fresh and hygienic during the physiological period. It is recommended that if you wash your hair during your physiological period, you should pay attention to the following points: 1) Always use hot water to wash your hair. 2) Dry your hair quickly with a towel or blow dry with a hot air after washing it to avoid catching a cold and causing cold symptoms. 3) Wash your hair during your physiological period, but do not color, dye, or blow dry your hair during your physiological period. In addition, although you can wash your hair during the physiological period, it is not recommended that you dye, perm or straighten your hair during the physiological period, as these hair treatments may lead to hair coloring water or straightening water into the scalp. The body’s resistance decreases during the physiological period, which is likely to pose a certain threat to the health of the body.