One product that can turn plastic back to black is the Simoniz Back-to-Black Plastic and Trim Restorer. This product works by restoring faded, dull surfaces to a showroom quality finish without leaving an oily residue behind. It's easy to use—all you have to do is spray it onto the surface of the plastic and then wipe off with a clean cloth. The results are instant—the color of your plastics will look like new! Furthermore, this product helps protect against fading and discoloration caused by UV rays, road grime, salt and other environmental factors. So if you're looking for something that will help restore your car exterior or interior plastic parts back to their original black color, then Simoniz Back-to-Black Plastic and Trim Restorer is definitely worth checking out!