That's a very good question, Ravagex. So far I haven't found one. I did analogs for over 30 years and started vaping last October. I find that I get vaper's tongue now and then and I can't taste whatever it is. When that happens, I reach for something with menthol or a tobacco-type juice. This seems to clear my palate. What I tend to do is rummage through my juice tray (I probably have 30 different flavors) and spot one and go "Yeah, Blue Voodoo sounds good." Then I vape that for a while. Then I might decide Jamaican me Crazy would be a good next one. At other times, it's RY4, 555 or Honey Cured Tobacco. So, in a nutshell, I like to change things up after a few hours.