Tobacco and Vape Companies Ask Supreme Court to Stop CA Flavor Ban 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 California Will Become the 5th State to Ban Flavors Vaping360 New study links flavored tobacco bans to lower youth vaping in California KTLA California Will Become the 5th State to Ban Flavors Vaping360 Flavored tobacco banned in California as Prop. 31 passes Los Angeles Times