Pureayre Odor Eliminator uses plant derived enzymes to safely and permanently remove odors. It is completely safe to use around people, birds, dogs, cats, even food! Pureayre Odor Eliminator works immediately on contact. The enzymes break the molecular bonds of odors to instantly eliminate odors such as urine, feces, cigarette, burnt food, sour milk, mold and mildew, skunk and other malodorous smells. Pureayre is ideal for home, office, hotels, animal care facilities, health and elder care and industrial situations with persistent odor problems. It can be sprayed, fogged, injected or poured to permanently eliminate odors. Uses no alcohol or hazardous chemicals as stabilizers. Food-grade.