Our Iron Powder Removal Spray contains citric acid, sodium carbonate, and disodium EDTA. It can remove yellow stains from the surface of the car, make it white, and keep your car in its original condition. Its use method is very simple: clean the surface of the car and wipe dry, spray the product on rust spots or stains, leave it for a while, rinse it off with water. The mild composition removes rust spots without damaging the surface of the car, giving you more peace of mind when using.