Flavored tobacco banned in California as Prop. 31 passes Los Angeles Times Youth vaping declines after California flavor ban, UCSD study finds NBC 7 San Diego California Will Become the 5th State to Ban Flavors Vaping360 2FIRSTS Vapesourcing, a leading U.S. vape retailer, has announced it will no longer supply flavored nicotine products to California and Massachusetts. Bay Area county expands ban on sales of e cigs, flavored tobacco KRON4 Officers assigned to our Downtown Unit confiscated over 350 flavored Vape cartridges from a local business. As everyone knows, selling flavored tobacco products is illegal in California.