try some headlight restorer with a cheap orbital buffer. it has worked great on multiple cars for me. Save all that hard core wet sanding stuff as a last resort
I just did mine with PlastX by Meguiars. Works pretty good. I did it by hand and it came out fine, but an orbital polisher would surely be faster & easier.
Mine were/are terrible. I tried some stuff I found on ebay. Worked great on my wife's car, hardly worked on mine. Then I tried the sand paper. After an hour on each headlight, there was noticeable improvement, but still not that great. Then finally used mag/aluminum wheel polish by Mothers. That worked the best of anything. I think I need to go back to the sandpaper maybe, cause the damage on mine is DEEP.
Mine had some deep scratches (no haze), and I started with 600 sandpaper and worked my way up to 2000, followed by Plastx and the results were awesome, but still have a couple of super minor scratches...will redo it with a polisher when I get a chance.
