Nature's Miracle Just for Cats Advanced Stain and Odor Remover works to discourage re-soiling by removing the odor of cat messes. The bacteria-based formula produces enzymes to target severe cat messes including urine, diarrhea, vomit and blood. The Stain and Odor Eliminator is safe to use on carpets, hard floors, furniture, fabrics and more, when used as directed, and leaves you with a light fresh scent. The ready to use spray bottle helps you get to work right away.