Researchers: Flavored E cig ban could derail smoking cessation efforts Parents: Teens Are Still Vaping, Despite Flavor Ban. Here's What They're Using South Carolina Public Radio E cigarette and cigarette sales decline after California law eliminates sale of flavored tobacco US Supreme Court rejects challenge to California flavored tobacco ban Reuters California to ban menthol and flavored tobacco and vape products. Starting on Wednesday. : r Libertarian Flavored tobacco banned in California as Prop. 31 passes Los Angeles Times