As all Crossfire Roadster owners know: the seal tape for the top takes a heckuva' beating from the elements. I tried everything mentioned here on the forum and had nothing last more than a few days. I think I found something that is a bit more reasonable and most people have at least one of the ingredients in their bedroom closet.

The left side is colored polished. The right is not. Can you tell?

Kiwi Black Shoe Polish.

I covered it with Ice Polish and it looks like this after 2 weeks:

Give it a try!