Juul makes mockery of vaping flavor ban The vaping 'flavor ban' goes into effect today. Here's what it does The Hill Nation's first e cigarette ban, proposed in San Francisco; Juul, headquartered there, is a prime target of the bill CBS News Research Analyst: Juul Labs Will Benefit From Flavour Ban Vaping Post Teens Are Exploiting a Stupid Loophole in Flavored Vape Ban FDA Officially Bans Juul Sales in the U.S.