Our automotive shellac cleaner contains disodium EDTA, sodium bicarbonate, lauryl ether 7. It quickly dissolves and removes 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 treatment. 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 paint, varnish or glass.