Simple Solution EXTREME Stain Odor Remover has a fast-acting 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 water-safe surface. Better yet, all the ingredients in Simple Solution are non-toxic and are harmless to pets and people. Ingredients Purified water, denatured ethanol, non-pathogenic bacteria, natural enzymes, mild detergent, fragrance.