Teens Find a Big Loophole in the New Flavored Vaping Ban The New York Times The evidence is clear that bans on flavored vapes produce unintended consequences, including increased cigarette use among adults and teens who might have otherwise switched to less harmful alternatives, Cato's Dr. Jeffrey Hawaii Seemed Poised To Adopt A Vape Flavor Ban. Then Came The Amendments Honolulu Civil Beat Denver ban on flavored nicotine products goes into effect as the new year kicks off Flavored Vape Ban in Utah Takes effect Immediately March 24 Ecigator Kentucky bill looks to ban the sale of flavored vape products