Dull/Oxidized paint
 

I've seriously bought everything I can think of: clay bars, 4 different rubbing compounds, meguires compounds, turtle, mothers, black and decker buffers, waxes, polishes, etc. Is there a way to get rid of this oxidation build up, predominantly on my sun roof. Car is black so its noticeable. Am I using the products correctly? Assuming that I have everything, can someone please tell me the proper way to go about getting rid of the oxidation? Thanks

Klasse All-In-One paintwork cleaner & sealer
and some orange pads! and decent buffer

Try jaxwax

This stuff is awesome. I haven't used it myself but I have seen before and after and the result is impressive.