Delta 8 THC: What You Need to Know About This Cannabinoid HHC vs THC: Does HHC Show Up on a THC Drug Test? Drug Testing Preliminary pharmacokinetic and psychophysical investigations after controlled oral and inhalative consumption of hexahydrocannabinol (HHC) Scientific Reports It's easy to buy 'weed' like HHC, even where marijuana's illegal You might have heard of HHC (hexahydrocannabinol) showing up in vapes, gummies, and herbal mixes. It can feel a bit like cannabis, but because it's unregulated the strength and risks Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA