THC vapes banned in Texas. Shops say customers drained their supplies ahead of the ban, and now retailers are bracing for impact. New Texas THC Laws Take Effect March 31, 2026: What You Need to Know The Law Office of Shawn C. Brown P.C. 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 THC Vape Pens: Health Effects and Safety Insights Shop THC Cartridges, Vapes, & Disposables In Texas THCa Vapes in Texas Hemp Derived TribeTokes