Flavored tobacco products could stay on Denver store shelves amid ban Denver ban on flavored nicotine products goes into effect with new year Denver Flavor Ban Pushes Vapers to Suburbs Nicotine Insider Colorado Flavor Ban Debate: Denver to Vote on Repeal as Other Towns Pass Bans Ecigator In what is being called one of the city's most expensive races on this year's ballot, Denver voters are leaning heavily toward keeping the city's ban on the sale of flavored tobacco,