How long does it take for thc to get out of your hair ?

I took one hit of a small gravity bong on 10-28-09 andi have a hair faulical test on 12-11-09 will it still show I only dad that one hit ande was not a freaquent user prior

Answer #1

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.

http://www.ipassedmydrugtest.com/hair_drug_test_FAQ.asp

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