No, if these services are provided by experts and standard devices, the glass will not be damaged and only the surface layer that is damaged will be repaired.

The duration depends on the depth and amount of scratches, but the process is generally performed between 1 minute and 2 hours.

Surface and medium scratches are almost always eliminated by the elimination of car glass scratches, professional polishing of the car glass. But very deep scratches that damage the interior of the glass sometimes need to be replaced.