Parents: Teens Are Still Vaping, Despite Flavor Ban. Here's What They're Using South Carolina Public Radio CA bill bans single use vapes, citing danger of batteries Sacramento Bee Study shows usage is lower in California areas that have a full ban on the sale of flavored tobacco products UC Irvine Wen Public Health 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