If you don't want scratches or other abrasive damage on your Ultra Violet layer and your lens surface
The only way to go is a Pure liquid non abrasive lens de-oxidizer.
Sandpaper is a doomsday weapon when it comes to your headlights. It does more harm than good and only offers a temperary sollution.
Novus, meguiars, 3M and other over the counter formulas are not deoxidizers, they are a scratch removers and contain abrasive plastic polish, they will cloud up a clear lens.
A pure liquid acrylic lens deoxidizer will not leave scratches and will instantly remove oxidation build up on the lens surface on contact.
