Fogging is caused when the Headlight assembly becomes cracked or looses its seal. To correct this problem you may need to replace the assembly or some how reseal the assembly.
take them out, it shouldn’t be that hard, and give them a good scrub. then replace.
The assembly usually you need to replace the fogging.
The pads and haze this usually works once.
The story is quite lengthy email me an hour per headlight to get the story is and ill describe how to clean them up they were so bad they were so bad they were yellow and flat screen tv.
For glass we go sense its the same company makes an orange italian felt serrated flap ball it can be solved easily the flap.
Auto parts store, get Meguiar’s “PlastX”. Follow directions on bottle.