Not a mask. Not an enzyme. Permanently eliminates deeply imbedded odors from urine, feces, vomit, organic decomposition, mold/mildew, garbage and more. Serious odors originating from pet/human urine, sweat, mold, feces and decaying organic material can be extremely offensive and difficult to eliminate. Odorcide Original works through a process of counteraction and absorption to safely, but effectively eliminate the malodor. It can be used in carpet cleaning systems and a variety of janitorial applications. Designed to work in carpet cleaning and deodorizing equipment as a pre-soak, detergent or rinse additive. As a spray on hard surfaces in restrooms or other rooms found in schools, homes, hospitals and nursing homes. As a spray or soaker on upholstery, fabric, carpet, drapery, etc. Can also be used for on-going odor elimination as an additive to mop, sponge or sprayer applications.