Parents: Teens Are Still Vaping, Despite Flavor Ban. Here's What They're Using KUNC Colorado is set to ban vaping where smoking is already prohibited, following more than a dozen other states : r Denver Colorado Flavored Vape Ban Voted Down in Big Loss for Prohibitionists Aspen becomes first city in Colorado to ban the sale of all flavored nicotine products VailDaily.com Aspen is first city in Colorado to ban sale of flavored nicotine products amid efforts to curb teen vaping Canon City Daily Record Colorado Begins State Ban On Vaping In Most Public Places KUNC