Removes oily residue, water spots and bonded contaminates Dramatically improves night and wet weather vision Restores smoothness and eliminates wiper chatter Super Micro-abrasive technology deep cleans the stubborn baked-on contaminants that regular washing and normal glass cleaners leave behind. This includes pollution, oil residue, tree sap, industrial fallout, wiper smudge and marks. Enhances night and wet weather visibility along with water roll off by restoring smoothness and improving clarity ? even on neglected glass. Great for eliminating hazing and annoying wiper chatter. Apply by hand, or Advanced DIY Foam Discs for faster results.