Before getting to know HHC-O, let’s learn more about its precursor, hexahydrocannabinol (HHC). Hydrogen is added to Tetrahydrocannabinol (THC) to form HHC in a process called hydrogenation. This process creates a more stable cannabinoid with a much longer shelf-life. Hydrogenation has other uses beyond producing cannabinoids. For example, margarine is...