Zinc oxideis aninorganic compoundwith theformulaZnO. It is a white powder that is insoluble in water. ZnO is used as an additive in numerous materials and products including cosmetics, food supplements, rubbers, plastics, ceramics, glass, cement, lubricants,paints, sunscreens, ointments, adhesives, sealants, pigments,foods, batteries, ferrites, fire retardants, semi conductors,and first-aid tapes. Although it occurs naturally as the mineralzincite, most zinc oxide is produced synthetically.