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What is a Hair Test?

April 26, 2017hair hair drug test Test

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What is a Hair Test?

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A hair test generally involves the donor giving a sample of hair to the drug testing entity to test for drug use. After collection of hair from the donor, the hair test sample is either tested on-site or sent out to a lab for more exhaustive hair testing. On-site hair testing provide qualitative results, and when supplemented with laboratory-based confirmation hair tests, can be defended in a court of law.