One Shot Graffiti Remover is a 100% biodegradable and all-natural cleaner that removes grease, spray paint, tar, markers and pencil from hard surfaces. It cleans mold and mildew from tiles and grout, too. One Shot Graffiti Remover is non-flammable, with no harsh fumes or acids. Exceptional vertical cling and dwell prevents dripping and running and restaining. Eliminates Calcium Chloride buildup, and safe for use on marine, autos and RVs. VOC compliant and non-toxic!