Shine Society Semi Gloss Protective Dressing for Vinyl, Plastic, Rubber, Leather and More, with Microfiber Towel Included (18 oz.)
https://www.amazon.com/dp/B01LXZPIGC..._RLJ1Cb9W9CS39
68 five star reviews. I have used it and works well, nice soft satin finish and nothing too greasy or shiny. Be sure to wipe off with a clean cloth to control the finish. It can be slippery if used in excess or not wiped off properly.