Simple Solution EXTREME Stain Odor Remover Spray (32 fl oz) has a fastacting formula that permanently and completely removes even the toughest pet stains odors. Professional strength bacteria and enzyme formula works on both new and old problem areas, including carpet pad odors. Simple Solution works the first time, every time Guaranteed That's because Simple Solution combines advanced cleansers with beneficial bacteria and enzymes. This combination provides a powerful punch yet is safe to use on carpets, upholstery, pet bedding, clothing, tile, concrete, brick and any other watersafe surface. Better yet, all the ingredients in Simple Solution are nontoxic and are harmless to pets and people. Ingredients: Purified water, denatured ethanol, nonpathogenic bacteria, natural enzymes, mild detergent, fragrance.