Big Tobacco Companies Fight to Block California Flavor Ban Vaping Scout California proposes sweeping ban on all flavored vape products 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 Local bans on flavored tobacco products in California are linked to lower youth vaping rates without increasing cigarette smoking, according to a new study published Friday. Details in bio. Local bans on flavored tobacco products in California are linked to lower youth vaping rates without increasing cigarette smoking, according to a new study published Friday. Details in bio.