Hair follicle drug test: How it works, what to expect, and accuracy
What is hair drug testing? Who is using hair drug testing?
What drugs are included in a standard hair drug test? Does a Psychemedics hair test pull the hair out of the scalp to examine the follicle? What time period only young village girls pussy fucking a standard hair drug test cover?
How fast does head hair grow? How does hair analysis compare to urinalysis?
How soon after use can a drug be detected in hair? What is the shortest time period that can accurately be evaluated? How sensitive is hair testing in detecting drug users?
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Is all hair testing alike? How does Psychemedics establish its analysis levels? How much hair is needed? Can hair testing tests be run on people with little or no hair?
Can hair collected from a brush be used? How are collections performed on candidates that use artificial hairpieces or attachments to their own hair?
Hair Drug Test vs. Urine Test | Psychemedics
Where do I get help regarding collection? Does chemical treatment of the hair affect the test results? Is there a risk that the results of a hair test can be affected by environmental contamination? What is done with the excess hair that is not tested?
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How long are positive test result reports kept on file? Hair testing analyzes for drugs within the hair shaft, rather than body fluids like urine or saliva, to determine whether drugs of abuse are present.
Compared to analysis of body fluids, hair testing is highly resistant to evasion by adulterating or substituting samples, or by simply abstaining hair drug use for a few days. This technology offers significantly greater detection ability than other methods of analyzing hair drug body fluids.