Environmentally safe, user friendly and capable of removing up to 5 layers in a single application. Color change feature signals when paint removal should occur. Turns off-white when the paint or varnish is ready to be removed. Biodegradable, non-flammable, odor free and easily cleaned up with water. Contains no methylene chloride or caustic. Clings to vertical surfaces. Removes most varieties of paints and varnishes which are oil or water-based.