HydroSurge RapidBath Ultra Cleaning Shampoo is made for use with the HydroSurge RapidBath Pet Bathing System only. This formula is for bathing extra dirty animals. It is a 2 in 1 shampoo and conditioner formulated with high quality, professional grade ingredients that are designed to rinse clean, leaving shampoo residue. It won?t dry the skin and coat and but will leave a long lasting, fresh and clean smelling fragrance. Each cartridge has enough shampoo for 2 ? 4 dog baths using the HydroSurge RapidBath Pet Bathing System. It is pH balanced, highly concentrated, biodegradable, manufactured in the USA and safe on dogs, cats, and horses.