Professional strength formula is 3x more powerful than standard formulations. Only formula that uses both Pro-Bacteria and Enzymes to completely eliminate odors and stains from carpets, upholstery, or any other water-safe surface. Goes to work more quickly on the toughest stains. Discourages cats from repeat marking. Cat owners agree there is no odor quite as pungent as spray from an un-neutered male cat. At last there is a product scientifically formulated especially for all those tough feline odors and stains. SIMPLE SOLUTION Cat Stain & Odor Remover utilizes a revolutionary bacteria and enzyme technology that attacks the unique components found in cat spray, urine, feces, and vomit.