If you've purchased hemp-derived THC products in Texas, or know someone who has, today's change in state law is important. Texas now prohibits many synthetically derived hemp THC products, including:Delta-8 THCDelta-10 THCTHCA flowerTHCPOther synthetic hemp-derived THC variantsWhat Is Still Legal? Products containing delta-9 THC with no more than 0.3% THC by dry weight remain legal under both federal and Texas law. The change follows a Texas Supreme Court decision allowing the Texas Department of State Health Services to enforce a 2021 rule that classifies most synthetic hemp-derived THC products as Schedule I controlled substances. Why I'm Sharing ThisRecently, my pulmonologist asked whether I smoked, vaped, or used THC products.