Our car interior cleaner contains tetrafluoroethylene. It can quickly break down stains and impurities, enhancing the cleaning efficiency. The usage method is very simple: make sure the cleaning surface is free of any impurities, and shake well before use. Spray a small amount of the liquid on the cleaned surface and repeat several times. Wipe with a soft and clean cloth, and use a brush for extremely dirty areas. It can also quickly remove minor dust, fingerprints and surface stains inside the car, making the car as shiny as new.