As you can see, the key distinction between hhc vs delta 8 is in potency. THC is in a hydrogenated form called HHC, which has certain benefits. Obtainable from legal hemp, HHC is a form of THC. Contrary to the deltas, HHC offers certain advantages over THC. Delta-8-THC, delta-10-THC, HHC, and CBN are produced as THC degrades. In HHC, delta-9 and delta-8-THC have been hydrogenated.