You can’t straighten your hair during breastfeeding, try to wait until you stop breastfeeding before you straighten your hair. Hair straightening is not beneficial to the human scalp and hair, and when straightening hair, you have to use potions, which contain chemical agents, alkaline ingredients, and have oxidizing effects, which will destroy the surface layer of the hair and lead to loss of moisture and nutrients, and also make the hair become yellow and fall out easily, which is not beneficial to the women themselves. After straightening the hair, these toxic and harmful chemicals will affect the baby’s health through breast milk secretion or odor evaporation, in order to minimize the impact, wait until after stopping breastfeeding before considering straightening the hair. During the breastfeeding period, try not to do things that are not conducive to the recovery of the body and affect the growth and development of the baby, do not come into contact with chemical substances, and consult a doctor if you feel unwell.