Our automotive shellac cleaner contains disodium EDTA, sodium bicarbonate, lauryl ether 7. It quickly dissolves and s shellac, asphalt and other stubborn residues, instantly removing unsightly stains and grime. Its use method is very simple: 1. Spray deodorant on the surface for . 2. Wait a few minutes for the shellac to dissolve. 3. Wipe off residue. A mild, non-abrasive formula ensures it won't damage your t, varnish or glass.