Pure Paws Factor 0 Clarifying Shampoo is designed to be used as the first wash before applying any treatment shampoo. This shampoo will remove excess build up of dirt, grime, hairsprays, conditioners, etc. Ideal for use after showing. Pure Paws Factor 0 is formulated to eliminate proteins and environmental pollutants from the coat. This will give a fresh, clean start to your grooming routine. It is a gentle but powerful shampoo with an enzymatic cleaning agent that will remove yellow stains caused by proteins found in urine, saliva and tears. This product contains no conditioners so will not soften a harsh coat.