Rust-Oleum Zinsser 42074 Zinsser Magic Strip Citrus Action Gel Paint and Finish Stripper The creamy formula magically changes from green to pale green to indicate when it is time to strip the surface The unique low odor, non-flammable remover is ideal for use on interior and exterior wood, brick, stone, masonry, metal, fiberglass and other surfaces Creamy formula magically changes color when time to strip Easily removes oil and latex paint, varnish and more Extra Strength. Removes up to 7 layers in one application