Quixx HRK Headlight Repair Kit → http://amzn.to/2tx5OEm
No more than 30 minutes for sparkling clear & clean looking car headlights.

It took 2 treatments for the driver side headlamp, probably because I was learning how to do it. It's important to read all the instructions before beginning. Also, this only works on Plastic lenses, not glass headlights.