Foaming action. Lifts tough messes. 5x benefits vs. vacuuming alone. Easy deep cleaning for wide areas. Helps prevent resoiling. Neutralizes odors. Deep cleans. Removes 5x more dirt. Freshens. Newer looking carpets. No. 1 carpet cleaning brand (Based on Nielsen data ending 52 weeks 05/06/20 unit sales of manual and machine formulas). Contains no phosphorus.