Goof Off Pro Strength works the first time quickly and easily removing those tough spots and stains ordinary household cleaners can't. Removes: Adhesives & glue, crayon, pen & marker, gum, scuff marks, stickers & decals, asphalt & tar, dried latex paint, duct tape, caulk, tree sap, candle wax, lipstick, oil & grease and more. Ideal for all kinds of hard surfaces including: Fully cured varnished or oil-based painted surfaces, baseboards all metals, glass, brick, wood, concrete, grout, fiberglass, hand tools, and most automotive surfaces. Do not use on plastics, worn vinyl floors, some automotive paints, and some carpets. Always test on an inconspicuous area first, as every hard surface is different.