Can you still legally buy consumable hemp products in Texas? Here's where things stand KERA News 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 Are THC Vape Pens Legal in Texas? What You Need to Know The Law Office of Shawn C. Brown P.C. THC vapes banned in Texas. Shops say customers drained their supplies ahead of the ban, and now retailers are bracing for impact.