Pregnant women’s cosmetics buying guide: Pregnant women need to be extra careful when purchasing cosmetics because some cosmetic ingredients may have an impact on the fetus. Here are some guidelines for choosing safe cosmetics: Ingredients Maternity cosmetics should have simple and natural ingredients whenever possible. Some controversial ingredients in cosmetics, such as benzoic acid, propylene glycol, isopropyl alcohol, ferrous oxide, etc., are best avoided. Natural plant extracts such as tea tree oil, green tea, lavender, etc. are safer choices. also,