Ozium actually cleanses the air through glycolized action Glycolized formula acts directly on odor causing particles in the air. Two convenient hand-held sizes provides instant odor counteractant. Ozium is an EPA registered air sanitizer. It is distinguished from other products that simply mask odors. Ozium actually eliminates smoke and unpleasant odors and reduces airborne bacteria. EPA Reg. No. 51838-2-9444.