We recently remodeled our kitchen, and have found that the glass cooktop is the hardest thing to keep clean. Practically every time we cook something, a stain is left behind...even water splashes leave nasty rings behind. This cleaner cream is the only thing that really gets the cooktop clean. Basically, you have to wait for the surface to cool completely, then rub some of the cream on, wait for it to dry/harden, and buff it off (sort of like waxing a c..