Baby hair is actually very small hairs that appear on the skin surface of the baby at birth, including the face, hair area, hands, feet, or the front part of the body. This kind of small hairs, which grows in the womb before birth, so it is called fetal hair. Because the formation in the womb, after birth will gradually shed, generally about 7-15 days, the fetal hair will gradually shed completely, some may continue until a month later to completely shed, this is a normal phenomenon.