Our Car Glass Oil Film Cleaner contains brightener, corrosion inhibitor, propellant. It can powerfully decompose stubborn stains such as oil film, water stain, and gum on glass. Its application method is very simple: Take an appropriate amount of this product and squeeze it on the glass or sponge. Immediately wipe back and forth with a sponge or towel. Rinse with plenty of water and dry with a towel. Gives glass a new look after cleaning and also forms a protective layer that makes water beads roll off, rainproof, waterproof.