my buddy has a boat that has been sitting outside with no cover on fore around 6 to 7 months. so the top half is oxidized pretty bad. anyway he bought some heavy duty oxidation remover and it worked pretty well but still isnt perfect. he has only used the oxidation remover would a after wax help make it shiny? or do we need to wet sand it???
I would think going back with a good wax or glaze, would finish it off.... Had that happen to a truck a few years ago. Left it sitting covered in mud. Killed the friggin paint job, thought it was toast. Guy at the paint shop set me up with some 3M Super Heavy Rubbing Compund & I followed it with Meguier's wax of some sort. It took awhile, but brought it back to like the day I had it painted... Hope that helps ya...