Women should not wear makeup during pregnancy because many cosmetics contain chemical ingredients such as lead and mercury, which may cause skin allergy, redness, swelling and itchiness in pregnant women if used improperly. Moreover, the harmful substances in them can penetrate into the blood through the skin, which will also cause certain harm to the fetal baby. Not only can’t you wear makeup when you are pregnant, you can’t wear makeup when you are breastfeeding either, otherwise harmful substances will enter your breast milk, which is not good for your baby’s health. Women during pregnancy should stay away from toxic and harmful substances as well as radiation sources, do not wear lipstick, and do not dye or perm their hair, so as not to have certain effects on the fetus in the womb, so it is recommended that women during pregnancy should not wear makeup. If the skin of pregnant women appears rough, dry and cracked, and dehydrated, they can use some special skin care products for pregnant women appropriately, but they should also use them sparingly.