The Green Clean Solution uses a proprietary "Low Moisture" technology that literally cause organic material to separate and fall away from carpet fibers leaving them residue free. The Green Clean product dissolves and removes the following from all flooring surfaces: MOLD, MILDEW, TAR, GREASE, MUD, COFFEE, SODA, JUICE STAINS, BLOOD,FOOT TRAFFIC SOILING, URINE, FOOD AND PROTEIN-BASED STAINS