"Accidents happen, as every cat owner knows. Nature's Miracle Urine Destroyer Foam for cats penetrates down into carpet to power out severe cat urine messes. The foam aerosol spray also works to get rid of strong urine and the yellow, sticky residue that comes along with pet accidents. When used as directed, this product is safe to use around your pets and in your home.Wipe up as much of the stain as possible, then spray Nature's Miracle Urine Destroyer Foam toward the treatment area. Spray until foam is covering the mess. The foam will break down into the carpet, penetrating the mess. Allow to work for 15 minutes, then blot up with a clean cloth. Do not use on untreated hardwood, leather, suede, silk or wool specialty fabrics. Always use Nature's Miracle products first. Other cleaners and detergents may fail and chemically ""set"" stains that will be impossible to remove."