Uplifting and cerebral. Rare in high concentrations — dominant-terpinolene strains tend to be energetic and psychedelic-light rather than sedating. Signature terpene of Jack Herer and Durban Poison.

The only terpene known to directly activate CB2 receptors, producing anti-inflammatory effects without psychoactivity. Reduces stress and may help lower cortisol. Found in black pepper and cloves.

The most abundant cannabis terpene. Increases cell membrane permeability, allowing THC to cross the blood-brain barrier faster. High myrcene = heavier, more sedating effect regardless of strain type. The primary predictor of couch-lock.