Benzene, Paraben-Free, non-Nano, uncoated zinc oxide + EWG Approved for Babies And Kids (UPDATED) Have you been using conventional sunscreens on your children that claim to have the highest SPF, are waterproof, and are safe?If so, you need to know that you may be putting carcinogens and other harmful chemicals in the largest organ in children’s bodies– the skin. According to the Environmental Working Group