A new state law banning certain vape products is set to take effect on Sept. 1. 2FIRSTS U.S. vape firms appeal Mississippi synthetic nicotine ban, citing FDA authority preemption Vapes, Big Tobacco and a new Mississippi registry law Magnolia Tribune Mississippi vape law leads to ingredient changes Later this year a lot of vape products will be illegal to sell. Products not FDA approved are prohibited, subject to seizure, forfeiture, and destruction. Ban on vape sales takes effect in Mississippi