I only use Meguiar's product love eveything they have. This product works wonders on the black trim. No more dull looking black.
http://www.meguiars.com/?car-trim-mo...Trim-Detailer\
Also try their
http://www.meguiars.com/?liquid-car-...ation-Tech-Wax
Best Wax I've used so far....(wax once a week)