California Ban on In Store Flavored Vape Sales Begins Vaping360 San Diego bans flavored tobacco products beginning Jan. 1 KPBS Public Media The Reality of California's Flavored Vape Prohibition One Year Later THE LION Proposition 31 in California brought the "flavor ban" to protect minors from being marketed to and reduce the harm caused by flavor chemicals. Flavored e cigarettes and nicotine pouches are still being acquired