The exact scratch must be found to accomplish a repair. This is important to realize because not every scratch will be the culprit, causing skips, and often there are multiple scratches. At times a small hairline scratch is the problem and not a larger deep one. This is because the hairline may be more abrasive or angular causing deflection while the large one has smooth edges and is still clear enough for the laser to pass through and read. In a sense, CD Doctor does both.
Repair has abrasives and polymers.
A scratch does not need to be removed completely. Often there doesn't need to be any reduction, especially with hairline. Simply wiping GP on and wiping it off stops problems. . Because of our coating feature it is often not necessary to find a specific area of damage. If it is it's easier. .