Dont understand ?: Why would YOU be waiting for a test. Hair follicle tests are done by employers and other authorities to determine if someone has used drugs over a long period of time. Depending on the length of hair they sample, it can detect use up to 6 months back or longer. If you are due for a test, even if you stop using drugs now, it can be detected 6 months later. Get help for your drug problem please.
Answered 2/24/2017
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