Smells strong because when you work hard, you get smelly. Goof Off Pro Strength Remover works the first time quickly and easily removing tough spots and stains, like chewing gum, that 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 and more. Ideal for all kinds of hard surfaces such as metals, glass, brick, wood, concrete, grout, fiberglass, hand tools and most automotive surfaces. Comes in a wide array of sizes including aerosol. Warning: This product can expose you to chemicals including Ethylbenzene, which is known to the State of California to cause cancer, and Methanol, which is known to the State of California to cause birth defects or other reproductive harm.