Are Flavored Vapes Banned in Your U.S. State? Check the Latest List California's vaping flavor ban could prove lethal Orange County Register The ban on menthol cigarettes and other flavored tobacco products took effect Wednesday, Dec. 21. The new state wide law aims to reduce the rise in teen smoking. California voters passed Proposition 31 E cigarette and cigarette sales decline after California law eliminates sale of flavored tobacco 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.