It is not recommended to dye and perm hair during menstruation because during menstruation a person’s resistance and immunity, have a tendency to decline. If you perm and color your hair at this time, it may cause certain effects on your body. During perming and coloring, some toxic potions and chemicals may cause inflammation of the scalp, folliculitis, and scalp damage due to shedding of the scalp’s scaly cells. Hormonal abnormalities that may be accompanied by headaches can also cause changes in the menstrual cycle. Therefore, it is generally not recommended to color or perm your hair during menstruation. Such cases will definitely have bad effects on the body and cause adverse consequences.