Never use paper towels, lint towels, or newspapers to clean. They will leave marks and scratches behind. [1] X Expert Source Jon GholianCleaning Specialist Expert Interview. 15 December 2020.

Any debris on the cloth, including dirt or lint, will rub off on the glass and cause an uneven abrasion or more scratches

White, non-gel varieties of toothpaste, particularly those with baking soda as an ingredient, are the best to use for scratch removal.

Avoid pressing hard or moving in circles so you don’t push the toothpaste further into the glass. If you are cleaning a glass window, you can use a squeegee and work in an S pattern for a streak-free finish. [4] X Expert Source Jon GholianCleaning Specialist Expert Interview. 15 December 2020.

Metal polish is good for gently sanding large, delicate surfaces such as windshields.

The kind of polish that works quickest has cerium oxide in the ingredients. Jeweler’s rouge is a more expensive polish option.