Lactating mothers are best not to do hair for the following reasons: 1, the process of doing hair will inevitably use chemical potions, these chemical potions have the potential risk of not being of good quality. If you use poor quality potions, it is possible to enter the maternal blood circulation, and then into the breast milk on the baby’s health caused by obvious adverse effects. 2, the process of doing hair during lactation, due to high temperature stimulation of the hair follicles caused some damage, will aggravate the symptoms of hair loss during lactation. 3, after doing hair during lactation will form some irritating smell, these smells will cause discomfort to the baby, may appear sneezing, runny nose, runny eyes. The symptoms of sneezing, runny nose, runny eyes.