Do not yet apply any chemical that contains abrasive materials or has a high acid content (as will be mentioned in later examples). Glasses typically have layers or coatings over the lens itself. As you are polishing or cleaning, you are really just wiping this exterior coating. When you remove scratches, you are buffing or removing a small amount of the exterior layers. It is best to keep this to a minimum in the initial phases of scratch removal. [2] X Research source
It is essential to use microfiber cloth because the incredibly small size of the fibers makes any new scratches or buffing marks so small that they are invisible to the naked eye.
The abrasives in toothpaste are harsher than microfiber cloth alone. Concentrating on a single area for too long could penetrate the exterior layers and damage the interior lens. [5] X Research source
A glass etching substance. A brand known as Armor Etch produces one popular variety of the material, but there are others as well. [7] X Research source High quality rubber gloves to protect your hands. Cotton swabs or some other material to use for applying the substance to the glasses.
