Hey detailing bods, need your help with getting wax of my black plastic scuttle trim. I have used Swissvax Best of Show on my car a few months ago. At the time purchasing the product, the seller informed me I could use it on all plastics and rubber, so I naturally used it all over the car. But the plastic scuttle trim under the windscreen had gone all white and streaky over time. I want to get it back to a black finish of course, so should I get the wax removed first, or can I just go with back to black(I've been recommend smooth peanut butter) or similar straight on the trim?