Our Cerium Oxide Glass Polishing Powder contains cerium oxide, silicon dioxide, lanthanum oxyfluoride. It can quickly remove glass scratches, clean the glass surface, so that dust, water stains, and oil stains will not stay on the glass surface, and the glass will remain clear. Its application method is very simple: Clean the dust and debris on the glass surface. Take an appropriate amount of polishing powder andmix it with warm water evenly. Spread the mixture on the glass. Use a polishing disc to polish evenly from top to bottom. Finally wipe clean with a dry cloth. Polish stains, abrasions,slight scratches, lime scale and adhesive residue on the glass, making the glass as clean as new.