Denver ban on flavored nicotine products goes into effect with new year Colorado Advocates: Act as Denver Flavor Ban Takes Effect CU Cancer Center Leaders Applaud Denver's Ban on Flavored Tobacco Sales Colorado Begins State Ban On Vaping In Most Public Places KUNC Proposed bill to ban flavored tobacco The decision to ban the sales of flavored tobacco in Denver has lasted for years. Here's why it was on the ballot: https: kdvr.com news local were flavored tobacco sales already banned heres why it was on the denver ballot