Our car rust remover contains citric acid, sodium carbonate, disodium iodide. It can effectively remove stains on the surface of the car, restore a clean appearance, and form a protective film on the surface to further eliminate corrosion and rust and extend the life. Its usage is very simple: clean the paint surface of the car with a dry cloth, pour the liquid on the cloth and apply it to the car, wait 1-3 minutes for the liquid to dry, then clean the liquid with a towel. For marks that are difficult to remove, use a little force to rub until the paint disappears. It can effectively remove rust and make the vehicle look brand new. 30ml/box Car Rust Remover Rust Removal and Cleaning Content: 48g Ingredients: Citric Acid, Sodium Carbonate, Disodium iodide