Pro-Power formula is enhanced to tackle the toughest jobs. There's no job too big or too small. Use it to remove caulk and silicone, contractors adhesive, grease and tar, tape, tape residue, varnish, wax and glue. Designed for use on hard non-porous surfaces in addition to soft fabric surfaces, like carpet, clothing and upholstery. Surface-safe and fast-working remover. Goo Gone has proven itself a dependable adhesive remover, taking care of all of the sticky, gooey, gummy messes in your life. Ingredients: Petroleum, ether and citrus extracts.