when we bought our MH in 2006 we were persuade to get a coating that protects against oxidisation. even after expensive reapplications it does not work. so apparantly we can have the oxidization rem...
I use a cleaner/polish that is made specifically for fiberglass (originally for boats). It's a house brand from West Marine. It works very well on the white fiberglass, but doesn't protect the vinyl decals very well. They were pretty ratty when we bought the rig and I didn't expect the polish to be much help for them.