What is HHC: Is it legal or prescribed in the UK?
HHC (hexahydrocannabinol) is a semi-synthetic cannabinoid sometimes sold online as a ‘legal’ alternative to THC. Here in the UK, it is illegal to produce, import, supply, and sell HHC under the Psychoactive Substances Act 2016. HHC is not a prescribed or licensed medical cannabis product. In this guide, we explain what HHC is, how it's made, what it does in the body, and why it's not a safe or legal substitute for medical cannabis in the UK.
12 min read
17.08.2026
Sam North
