Spuddy’s Headlight Restorer quickly and easily restores clarity, brightness and visibility to dull headlight lenses. Clean headlight lenses so they are free from grit before use. Apply Spuddy’s Headlight Restorer to the headlight lenses with a clean cloth. Rub on the lenses and then wipe off. Lenses with heavy oxidation may require several applications. Spuddy’s Headlight Restorer will not repair lenses that are pitted or damaged inside.