Meguiar's Perfect Clarity Glass Polishing Compound is the ideal product to restore clarity and smoothness to your vehicle's glass.Deep cleans glass & removes water spotsImproves glass clarity and smoothnessRemoves pollution, oily residue and other stubborn build-upsErases water spots and wiper smudges to restore clarityThe perfect preparation step for glass to be treated with a glass sealantThis powerful formula will remove grime and stains that typical glass cleaners leave behind such as water spots, pollution, oily residue and wiper smudges. Perfect Clarity Glass Polishing Compound is also the perfect preparation step for glass that will be treated with a glass sealant.