This stain sealer from Polycell is ideal for preventing stains from showing around your home. It covers stains in large problem areas around the interior of your home, and permanently covers a great number of different stains, such as nicotine, soot, rust, grease, ballpoint pen and lipstick. Treats stains caused by water, nicotine, soot, graffiti, grease, wax and rust. For interior use. Dries in 10 minutes. Apply with a brush. This product is for interior and exterior surfaces.