Not shaving the fetal hair generally does not have any effect. Not shaving the fetal hair on the baby’s hair growth generally will not have any great impact, if the fetal hair grows too fast, too much fetal hair may cause localized eczema and other conditions, it is recommended that parents according to the actual situation of the baby’s selective shaving fetal hair. Fetal hair refers to the hair of the newborn baby at birth. The thickness and color of fetal hair are related to genetic factors and the mother’s diet during pregnancy. Whether the fetal hair needs to be shaved or not has nothing to do with the growth of the baby’s hair or physical development, and it can be decided according to the parents’ wishes, climatic environment and hair density. Fetal hair that grows faster and too much fetal hair can easily lead to excessive sweating on the baby’s head, causing eczema and other conditions. Parents should use professional baby grooming tools to shave off the baby’s fetal hair.