Denver ban on flavored nicotine products goes into effect with new year Colorado, as a state, does not have a ban on flavored tobacco products that target younger users. Hopefully, the state will pull its grades up before finals. Visit https: www.lung.org research sotc state grades colorado for more information 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, Colorado is set to ban vaping where smoking is already prohibited, following more than a dozen other states : r Denver