Hemp-derived THC products exploited a Farm Bill loophole to create a $28 billion unregulated market that undercuts licensed cannabis operators

The 2018 Farm Bill defined hemp as cannabis containing less than 0.3% delta-9 THC by dry weight, but said nothing about other intoxicating cannabinoids. Companies discovered they could extract CBD from legal hemp, chemically convert it into delta-8 THC, delta-10 THC, THC-O acetate, or THCP, and sell intoxicating products -- gummies, vapes, pre-rolls -- at gas stations, convenience stores, and online, with no licensing, no testing requirements, no age verification, and no cannabis taxes. Why it matters: These products are functionally identical to regulated cannabis products but sell at 30-50% lower prices because they bear none of the compliance costs, so licensed dispensaries lose market share to products available at the gas station down the street. Because hemp-derived THC products have no mandatory testing, consumers ingest products that may contain residual solvents, heavy metals, or synthetic byproducts from the chemical conversion process, so there is a genuine public health risk. The lack of age verification means minors can purchase intoxicating products online or at convenience stores, so the youth protection framework that justified cannabis regulation is circumvented entirely. Licensed operators who spent hundreds of thousands on state licenses and compliance infrastructure watch unregulated competitors sell the same high with zero overhead, so some operators close or stop paying their compliance costs. A coalition of 39 state and territory attorneys general sent a letter to Congress in October 2025 urging closure of the loophole, showing how widespread the damage has become. The structural root cause is that the 2018 Farm Bill was drafted by agricultural committees focused on industrial hemp fiber and CBD, not intoxicating cannabinoids. The definition of hemp by delta-9 THC content alone was a drafting oversight that was exploited before regulators understood the chemistry. Congress closed the loophole in November 2025 via the Continuing Appropriations Act, but the ban does not take effect until November 2026, giving operators a full year to continue selling.