Our versatile oil film cleaners contain disodium EDTA, sodium bicarbonate, and lauryl ether 7. It can quickly penetrate the dissolved oil film and restore the original appearance of the surface. Can be used for automotive glass, kitchen countertops, bathroom tiles and other materials. Its use method is very simple: 1. Wash away the sand and dust on the surface of the car glass with water. 2. Pour the oil film cleaner on the sponge and wipe it back and forth on the glass surface. 3. Finally rinse with water and dry with a towel. After cleaning, a protective layer is formed to effectively prevent water stains from accumulating again.