Rejuvenate Bio-Enzymatic Carpet & Upholstery Spot & Stain Remover Simply Spray and Walk Away &ndash; Removes Mud, Chocolate, Grass, Pet Stains and More &ndash; 24 Ounce Nontoxic best carpet cleaning solution is safe for carpet, fabrics and upholstery Simply spray on stained areas then agitate with a clean microfiber towel or sponge Instantly and permanently removes stains by dissolving fats, proteins, starches and pigmentation without heavy scrubbing For tough stains follow the directions, then cover with a damp cloth overnight Earth-friendly, powerful, fast acting, neutral pH formula is free of solvents, phosphates and acids