Alien OG Kief tested at 74% THC with pungent aroma and fresh terpenes. Alien OG is an indica dominant hybrid.  Kief is cannabis trichomes(a.k.a cannabis crystals), or resin glands, sifted from cannabis flowers through a mesh screen or sieve. Kief depending on purity can be up to 50-75% THC. This means that you get a much stronger effect from less material smoked. Kief is a sticky resin containing the terpenes and cannabinoids that give cannabis its unique qualities. As concentrated resin glands, kief is a potent form of cannabis. It can be sprinkled on top of joints and blunts, infused into food, or pressed into hash.