ZERO N-O-DOR Oxidizer completley destroys all traces of human and organic odors - 100uaranteed when used as directed. ZERO N-O-DOR spray deodorizes clothing, hair, skin, and all wetable surfaces quickly and safely. It does so by permanently oxidizing all organic molecules into odorless, non-volatile compounds. ZERO N-O-DOR does not mask odors, it completely destroys them. With ZERO N-O-DOR you are able to remain scent-free all day. ZERO N-O-DOR works equally well on pet accidents, bathrooms, nurseries, and vehicles. Lasts 6 months after activation and several years before activation.