San Antonio could be the first Texas city to ban flavored vapes Texas vaping advocates protest at state Capitol in response to call for ban KXAN Austin A new Texas law that bans the sale of TC infused vapes took effect on Monday. Although the law does not ban the possession of TC vape pens, retailers who sell them could Spotted this in a Grapevine gas station Starting Sept. 1, it will be illegal to sell THC or hemp derived cannabinoid vapes (and a few other types of vapes) in Texas. This will