ITEM NAME:New 8Pcs Car Glass Scratch Removal Tool Cerium Oxide Powder + Polishing Pads Description&Preview.Cerium Oxide Powder: 230grams/8 Oz. Cerium Oxide is the best polishing powder to glass scrach because the chemical and physical reaction. 1 x 230 grams Cerium Oxide Powder. Attach the dampened polishing wheel to your electric drill and dip it into the slurry.