It is not recommended to dye your hair during pregnancy. There are many chemical components in hair dyes, which can enter the body of pregnant women through the pores of the scalp and may lead to fetal malformations. It is recommended not to be exposed to radiation and toxic substances containing chemical components during pregnancy, and not to use drugs indiscriminately. Pay attention to rest, strengthen nutrition, diet should be balanced and diversified, eat more fresh vegetables and fruits, avoid eating cold, spicy and stimulating food. If you dye your hair during pregnancy but intend to keep your baby, it is recommended to do all the major fetal abnormality tests during pregnancy to find out in time if there are any problems with the development of the fetus, and if there are abnormalities you should end the pregnancy as soon as possible to avoid causing a heavy burden to the family.