Amazing stuff, The bilogical renew air freshener attacks airborne odors instantly when spray it into the air. Why the biological bacteria liquid may clean the polluted air totally? The bio-renew bacteria is natural and nonpoisonous, there are millions of bacteria in spoonful , when Itâ??s spraeded into the air, The bacteria spreads quickly and swallow the toxin. It metabolize those sulfureted hydrogen formaldehyde.ammonia ***** the air compeltely. It also fights odors trapped in fabrics such as carpeting, upholstery and draperies when used as directed. Spray with a wide sweeping motion to minimize fallout. Use wherever odors occur and as often as needed to maintain freshness. Use in bathrooms, sick rooms, basements, smoke-filled rooms, offices, and anywhere odor is a problem. Keeps every room fresh and fragrant.