The Autobrite Just The Tonic Tar & Glue remover is an excellent, fast acting solvent-based product that quickly dissolves tar upon contact. It removes the most stubborn, heavy deposits of tar from the car with ease. Its fast acting formula works so well when contact with tar, it simply dissolves before your eyes. Also Just The Tonic is effective of removing transport wax, glue residue from stickers from windows and not many people know this but if you have an ink or oil stain on your carpet in your car, Just The Tonic will remove them with ease! Just The Tonic will even break down and remove chewing gum from carpets and interiors, a top tip there from AD!