My old truck had headlights that where yellow, hazy and scratched. Harbor Freight sells a Headlight Lens Repair kit for $14.95. You don't get much in the kit: drill attachment, 2 resurfacing pads, 1 polishing pad and a 1/2 oz. bottle of polishing gel. This is a 4 step process:
Step #1: Wash surface. I just used a glass cleaning wipe.
Step #2: Insert Drill attachment
Step #3: Resurface 3 min. each lens with damp resufacing pad
Step #4: Add small amount of the polishing gel to face of polishing pad and polish for 3 min.
With clean up and before after pictures it took about 25 minutes. I like the results and my lights should be brighter now.
Before...
After...
