Hair follicle testing can provide a history of drug use for six months prior to testing.

Name: Hair follicle testing can provide a history of drug use for six months prior to testing.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Hair follicle testing is able to detect drug use up to six months prior to the testing date because drugs get trapped in the hair follicle as it grows. However, it is important to note that not all drugs are detectable through hair follicle testing and the detection window varies depending on the drug.

Hair Follicle Testing Can Provide a History of Drug Use