HHC vs THC: Does HHC Show Up on a THC Drug Test? Drug Testing HHC now illegal in Ireland: What Employers need to know Randox Testing Services Preliminary pharmacokinetic and psychophysical investigations after controlled oral and inhalative consumption of hexahydrocannabinol (HHC) Scientific Reports Malta has officially banned the sale and distribution of HHC (Hexahydrocannabinol), a synthetic cannabinoid marketed as a legal alternative to THC. HHC emerged recently, exploiting legal loopholes, and posing significant risks to Vaping: Understanding the Risks and Impacts on Health