Where to Buy THC Vapes near Houston TX Simple Garden What Happens If You Get Caught With a Dab Pen in Texas? Are THC Vape Pens Legal in Texas? The Webb Firm, P.C. Many Texas retailers can no longer sell THC to customers under 21 KUT Radio, Austin's NPR Station 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