Hong Kong’s ban on CBD products leaves companies facing ruinCannabis in butter is seen during a process of making cannabis snacks at a shop in Bangkok on July 16, 2022. In Hong Kong, law enforcement authorities plan to ban CBD or cannabidiol, a substance derived from cannabis and its close relative, hemp within 2022. (Photo: Reuters)As Hong Kong takes its first steps towards cracking down on cannabidiol, businesses specialising in CBD-infused beers, coffees and other products are scrambling to work out what comes next. High temperatures or direct sunlight can cause CBD to degrade into THC, according to Dr Albert KK Chung, clinical assistant professor at the University of Hong Kong’s department of psychiatry. Dr Calvin Ho, co-director at HKU’s Centre for Medical Ethics and Law, expects Hong Kong authorities to ban CBD for pragmatic reasons.