BISSELL Advanced Pet Pro Oxy Urine Eliminator formula works in all upright carpet cleaners to remove tough pet stains including mud and vomit. It also removes pet urine odors. It s formulated with Stain Protect Technology to keep carpets cleaner longer. This formula is also safe to use on carpet area rugs and upholstery. Plus it s made with biodegradable detergents meaning it doesn t have any heavy metals phosphates or dyes so it s earth-friendly. In fact the ingredients in this formula have been carefully evaluated by the U.S. Environmental Protection Agency to earn the agency s Safer Choice label meaning it s safer for the people and pets in your home and better for the environment as a whole.