HHC vs THC: What's the Difference? Health Effects of Vaping Smoking and Tobacco Use CDC 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 Preliminary pharmacokinetic and psychophysical investigations after controlled oral and inhalative consumption of hexahydrocannabinol (HHC) Scientific Reports HHC can cause harm and is known to be addictive. For more information on the change in law and services available for anyone impacted visit gov.ie HHC