A few days in with OdorLock and I was using it everywhere… the litter box, my couch, the carpet, my car, even my gym bag... There just wasn't a smell there anymore (not even a strong perfume-y smell which I appreciate since my nose tends to be sensitive). I mentioned it to another girlfriend I know through fostering, who's been doing it since 2015, and she laughed and said she'd had one for months and that it worked not just on pet odor but on the smell of her husband's cigars as well.