It is best not to go through any chemical treatment such as perming and dyeing, which can protect the health and quality of hair to the greatest extent. If you have had a perm, dye your hair and other chemical treatments, it is best to wait at least two weeks before dyeing your hair.
In addition, it is best to dye your hair when you are not busy, so as to avoid the extra burden caused by excessive work or life pressure. At the same time, it is not recommended to dye your hair during menstruation and pregnancy. Because at these times, the change of hormone level in women will affect the hair dyeing effect and health and safety.