Denton smoke shops prepare as Texas outlaws THC vapes, Chinese made e cigs and more starting Sept. 1 Business dentonrc.com Caught With A Vape Pen In TX? Learn About Case Dismissal A ban on disposable THC vapes available at thousands of retailers across Texas goes into effect in less than a month, regardless of whether Republican state lawmakers succeed in their efforts to The Texas Supreme Court ruled Friday that state regulators may criminalize Delta 8 THC, the intoxicating compound found in some hemp products a significant blow to an industry fighting for its survival.