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 Flavor Ban Spawned Illicit Market Tobacco Reporter E cigarette and cigarette sales decline after California law eliminates sale of flavored tobacco Ban on flavored tobacco in California goes into effect Wednesday Supreme Court upholds California ban on flavored tobacco products