California Menthol Ban Boosted Illegal Vapes: British American Tobacco (BATS) Bloomberg Are Vapes Banned in California? Vote NO on Prop 31! First Menthol Vapes Approved By FDA Federal flavor ban goes into effect Thursday, but many flavored vape products will still be available Searches looking to purchase cigarettes and vaping products products online nearly doubled after California voters affirmed a law that prohibited the sale of flavored tobacco last year, according to a new study.