Someone was just asking about a remedy for yellowed dingy headlights so I thought I would share with everyone what ended up working for me. My car headlights were horribly yellowed after 12 years of ignoring them. I could barely even see when driving at night because that's how bad they were!
Headlight lens restoration kits are $20.00 or more and contain enough supplies for a one time only use. For about the same price you can purchase the items in larger quantity separately and will then have enough supplies leftover for future restorations, and even to use on other projects, plus you might already have some or all of the items needed already on hand to do the job.
Just follow these steps:
By Deeli from Richland, WA
This page contains the following solutions.
Recently I noticed the headlights on both my car and especially my son's car were quite hazy, thus reducing visibility at night. I purchased a cleaning kit at the automotive store, (not cheap,) which involved several steps...
If your headlights are already damaged as in you've used sandpaper and/or restorer and NOTHING is bringing them back from the fog, you can use baby oil on a paper towel and buff until clear after you wash them well.
If your automotive headlights get yellow or dirty, try to clean them with some rubbing compound. Just make a past and rub it into the headlight plastic covers and then wipe off.