Bingo ! Headlight glass.

[N4LLY]

Meguiar's Plast.RX

It works

 

[Stevo7682]

You can use it on rear window does a good job of that as well

 

[GazHyde]

Just makes you realise how bad they were when you see a pic like this!

 

[Low Rider]

What a difference you've made for the better

 

[Shelly]

That's great @N4LLY

 

[Antm72]

Nice work ! As mentioned it works great on the rear screen too a good product