Singlemalt
Well-Known Member
Both, you'll find in the oil glands and it is metabolized into various tissues. They use hair tests because it is harder to fool than piss tests cuz its locked in. Hair tests came about thru forensics, you've heard about digging up corpses to test for poisons. They test the hair, nails and bonejust thought of this, do you know if the THC released from fat cells migrates to the hair follicles or is that a different metabolite?