• "A standard hair follicle screen covers a period of approximately 90 days, but is susceptible to time variation depending on the growth rate of your hair. The hair sample is cut as close to the scalp as possible and the most recent 3.9cm (or 1.5 inches) are tested. It is possible to go back even further than 90 days since the time period is limited only by the length of the hair sample, but is standardized to a 90 day history."
  • I think you will be okay...seems like those tests only show if you are a heavy user.I could be wrong though.May depend on alot of other things to,I never think that tests like that are accurate anyways.But that is just me.
  • Well, I do cut my hair cut often, and since the last time I smoked weed was on the same day I dyed my hair, I can tell "new hair growth" from the old because of the color difference.
  • You will be fine. As has been stated, they only go back 3 months. They are more interested in what you have been up to lately than what you did a year and a half ago.
  • 15 months? Relax and forget about it! You'll be fine!
  • Actually thc can stay in your system for up to 3 years depending on how fast your body metabolizes the stuff, and it will be in your system even with second hand smoke.There is no easy answer to that question but I would hazzard to say your pretty safe,so long as they test only for a couple months back.Myself I'm being tested up to 6 months back.Look at Gagliardi(I believe that's how you spell it)snowboarder for Canada's olympic team tested positive for it and the olyimpic commitee took his gold medal away.He fought it stating it's part of the culture where he grew up and among snowboarders,so even though he may not have used himself over the past few years , he would still be exposed to it, hence the positive results.He got his gold medal back.Let's be realistic here if he was doing weed on a regular basis you honestly think he could have pulled even half the moves he did.Man I'm lucky if I can find the munchie cupboard.
  • Most hair follicle tests only go back about 90 days or 3 months so you have nothing to worry about. If your still worried you can by some hair follicle shampoo that can help clean it out although you really don't need it
  • what kind of school do you go to that makes you take drug tests?
  • yeah it can be about 3 years- lol just shave all of your hair off. tha'd work- maybe.
  • god yes . man the most it goes back is 90 days , tell the people who say they can see what you did in a past life to go to hell.

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