Quick Overview 10h paint protection 9-year guarantee Matchless levels of gloss, surface slickness, swirl and chemical resistance Crystal Serum Ultra is the best paint protection you can get, it keeps your car looking glossy and new, prolonging the life of your paintworks perfect finish. Key to Crystal Serum Ultras performance gain is the introduction of a revolutionary new 7nm nanoparticle alongside an existing 20nm nanoparticle and increasing the ratio of crosslinkers which reinforce and thicken the top layer of the coating. The hard 10h top and softer 7h base layer offer improved swirl resistance over regular 9h paint protection coatings. Compared to standard ceramic paint coatings, Crystal Serum Ultra can withstand even the strongest wash chemicals and bird droppings. An additional benefit from having a flexible base layer and the hard top layer is that Crystal Serum Ultra is very resistant to extreme heat changes, even from -40 degrees Celsius to +250 degrees Celsius. Crystal Serum Ultra can be applied either as a stand-alone paint protection product or for the best hydrophobic performance, it can be over coated with Gtechniq EXO or C2.