Soap-free cleaning products for carpet & upholstery, degreasing, spot & stain removal, and cleaning tile & grout. Active ingredient is phosphoric acid, which is widely used in sodas. “This product meets Green Seal™ Standard GS-37 based on effective performance, concentrated volume, minimized/recycled packaging and protective limits on: VOCs and human & environmental toxicity…This product contains no volatile organic compounds and the chemical composition will not contribute to indoor air pollution.”