Our coating agent 3-in-1 (Purple) contains tetrafluoroethylene. It can keep your car clean and shiny, and maintain its original luster for a longer period of time. Its usage method is very simple: 1 Clean the car with a sponge and then dry it. 2. Spray an appropriate amount of this product evenly on the car paint. 3. Wipe back and forth with a cloth until it shines brightly. Coating Agent 3-in-1 is suitable for paint, plastic, glass, and other materials to help provide protection and restore the polished state.