your hair will test positive for thc if the hair was on your head when you smoked, if you cut your hair bald and stop smoking, it won't show up.
usedchemicals Reviewed by usedchemicals on . hair testing? hey there im relatively new to smoking, and ive looked up how accurate hair tests are. ive seen soruces that say it stays your whole life, and ive seen sources that say about 3 months. some of my friends are afriad to smoke cuz they say it stays with you for life? any truth in this? Rating: 5