Safe on many surfaces， Graffiti Remover quickly penetrates and dissolves graffiti. Use on restroom walls， trucks， buses， public buildings and sidewalks for a professional look. It removes tar， lipstick， spray paints， scuff marks， marker， ink， crayon， wax buildup and other solvent-based marks and stains. Fast-acting， ready-to-use formula in an aerosol spray can adheres to vertical surfaces for longer contact time.