Women in the menstrual period is best not to perm hair, because the menstrual period due to menstrual blood discharge, the body will be relatively weak and resistance is relatively reduced. If this time perm hair, first of all, perm hair time will be very long, long wet hair once the wind is very easy to catch a cold, cold. Secondly, any perm substance contains chemical substances, if used during menstruation can easily lead to the invasion of harmful ingredients, causing unnecessary damage to the body. Finally, if the perm used perm agent is not qualified, containing corrosive ingredients, the skin, hair will also cause damage. Therefore, try not to perm and dye your hair during menstruation, even if you shampoo your hair, you should do a good job of keeping it warm, blow dry it in time, and protect your head from getting cold. But there are electric hair rods on the market can be their own home simple perm hair, menstruating women will not have too much impact.