Pass a Hair Drug Test
Hair drug testing not only gives information about if a drug was used, but also gives an accurate history of types of quantities of drug use. This kind of information is not attainable through any other form of drug screen. Hair testing is popular because it is not very invasive, and is quite fast and very accurate. Hair analysis is done at a laboratory, where the lab worker will analyze the hair follicle to determine the presence of trace amounts of drug metabolites within the hair shaft. It takes approximately 5 days for drugs to show up in new hair growth, and they can stay in the hair shaft for up to 90 days.
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