Nervous around drugs theory test?

I may have to pinch a hair strand theory test soon and i have be staying with a friend who is a brawny cannabis smoker, what's the chances of me failing due to overexposure of this substance? I hear of a detox shampoo called 'burn out' have anyone used it?

Answer:
Unless it can do its cleaning at the molecular level, it won't work.
Depending on how immense a user your "friend" is, I would say you are probably screwed.
Your worries are over. The ONLY passageway mary jane can get into your system is if YOU smoked it. Second foot inhalation does not affect you and will not show up on any drug test. Can I bring some for my cataracts??
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