2X Professional Deep Cleaning Formula delivers professional-grade cleaning power to give your carpet a deep-down clean. The 2X concentrated formula is safe for use in all full-sized carpet cleaners and contains Scotchgard to help protect carpet from future stains to help protect carpet from future stains. The EPA Design for the Environment Certification means that this product has been reviewed by the U.S. EPA to screen each ingredient for potential human health and environmental effects.