Trim Gold® Tyre Dressing: The Treatment Trim Gold® is a unique silicone polymer formula that cleans, shines, rejuvenates, and protects all colour exterior trim especially black. Restores dull faded trim, and difficult to remove wax residue, while protecting the surface from future sun damage. Will clean and renew all types of vinyl, rubber and plastic. Use on a variety of surfaces like. bumpers, window trim, louvres, air vents, wiper arms, tyres and mud guards. Get the ultimate “wet look” on all types of bumpers and trim.