Dulled headlamp lens

Anybody have any idea what's the best way to restore a dulled/oxydized headlight lens?

flitz it!

^^ lol thats funny sh!t

use mother's mag & aluminum polish to cut the grime then use plastic polish to give it the crystal clear look. later.

you can also wet sand then with 800 and then go out until about 1600 and they will look brand new