Our versatile foam cleaners contain disodium EDTA, sodium bicarbonate and lauryl ether 7. It forms a protective layer on the surface, effectively repelling water and dirt and keeping your car clean. Its use method is very simple: 1. Shake the bottle and spray it evenly on the surface to be cleaned. 2. Wipe with a sponge until the stain is removed. It can keep the shine on the surface of the car for a long time, making your car look new.