Maybe one of you can set me straight. I have been rubbing waxes, sealants, polishes, quick detailers, and a host of other products on cars for a lot of years and I must admit that I just wish I understood how and why they do what they do. I have found over the years that being anal about keeping a car's exterior generally did more harm than good. What I mean is that being overzealous with the rubbing of these products on a cars exterior can over time create the very problems you are trying to prevent. I now wax my vehicles only twice a year, but I do wash them frequently. I have always wondered exactly how and why waxes and polishes will provide for a "shine" on a vehicles exterior. I also wonder just how much difference (in end result) is there in the "premium" wax products? I know many car guys have their own favorites and I get that, but sometimes it is hard for me to see a difference (when I am at a car meet) between cars I know had different products used on them. I guess I would also ask you all; How did you come to your selection of exterior care products? I would also ask about the newer synthetic waxes. Are they more durable, and / or is the shine they produce better than, or about the same as, Carnauba based products?