2FIRSTS U.S. vape firms appeal Mississippi synthetic nicotine ban, citing FDA authority preemption Delta reaction to Mississippi's vape ban News deltanews.tv A shakeup is happening in the Mississippi vaping industry. Lost Mary and Raz, two popular disposable vapes, will soon be illegal and they aren't the only ones. A 60 day grace period E cigarette sellers: Big Tobacco lied about proposed vape ban A shakeup is happening in the Mississippi vaping industry. The new law requires a registry of all vape products sold in the state.