Our Oil Film Cleaner contains disodium EDTA, sodium bicarbonate, lauryl ether 7. It can quickly remove dirt and oil on the surface of the windshield and keep the glass clear and transparent. Its use method is very simple: spray the product on the sponge, and then wipe the sponge back and forth on the glass, and finally rinse with water, and dry with a towel. It can form a hydrophobic layer on the glass to prevent water droplets and dust from adhering to the glass and improve driving safety.