Specially developed for the contractor trade by combining some of the finest ingredients of industrial strength formulas. Exceptional at removing liquid insulation, tape residue, diesel soot, oil-based paint, soap scum, road and roofing tar, caulk residue, and much more from virtually any surface. Nontoxic, noncorrosive, nonhazardous contents are safe to use on all painted surfaces and automotive clear coat. 100\% Organic ingredients.