In the UK, THC vapes are illegal. This is due to THC is often a psychoactive compound located in cannabis, which happens to be a category B drug in the united kingdom. Therefore it is actually illegal to have, offer, or offer THC, like in the form of the vape. https://stephenujvit.westexwiki.com/1430954/the_basic_principles_of_thc_vape_juice_for_sale