ZERO N-O-DOR Oxidizer completely destroys all traces of human and organic odors- 100% guaranteed when used as directed. ZERO N-O-DOR spray deodorizes clothing, hair, skin, 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. Lasts 6 months after activation and several years before activation.