Denton smoke shops prepare as Texas outlaws THC vapes, Chinese made e cigs and more starting Sept. 1 Business dentonrc.com Vapes containing THC and other hemp derived cannabinoids like Delta 8 will become illegal to sell in Texas on Sept. 1 under a law passed earlier this year. Senate Bill 2024, while narrower than Texas Bans Retail Sales of THC Vapes: Inside SB 2024 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