All You Need to Know about Hair Follicle Drug Testing
Hair sample drug testing is a great way to detect whether or not a person has used drugs in the past 90 days. Whether in an office format or in the home, hair drug testing serves the purpose of answering questions about an individuals drug use history.
How Does Hair Follicle Drug Testing Work?
Hair drug testing is actually quite simple and merely requires a sample of hair in order to be completed. Parents who are worried about their teens use of drugs can collect a strand of hair from their pillow. Employers can request a sample from their employees. Once a hair sample has been collected, it is sealed in an envelope and sent to a participating laboratory for completion. Hair testing is fast and more accurate than other drug test forms.
For instance, hair sample drug testing can detect drug use for up to 90 days after use. The detection window is much larger in hair drug testing (compare it to few days for urine and saliva based drug testing) because trace amounts of drug chemicals become trapped inside each hair. A simple lab test can detect these trace chemicals making for either a positive or...
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