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  2. Hair analysis - Wikipedia

    en.wikipedia.org/wiki/Hair_analysis

    It is also used by employers, who test their employees. [6] Hair analysis has the virtue of showing a 'history' of drug use due to hair's slow growth. Urine analysis might detect drugs taken in the past 2–3 days; hair analysis can sometimes detect use as far as 90 days, although certain cosmetic treatments (e.g. dyeing hair) can interfere ...

  3. Psychemedics Corporation Launches New Ketamine Hair Testing ...

    lite.aol.com/tech/story/0022/20240829/9222045.htm

    Long Detection Window: Unlike traditional drug testing methods, hair analysis can detect ketamine use for up to 90 days, providing a comprehensive overview of an individual’s drug use history. Non-Invasive and Convenient : The hair collection process is simple and noninvasive and can be performed without the need for specialized facilities ...

  4. Drug test - Wikipedia

    en.wikipedia.org/wiki/Drug_test

    Hair drug testing is a method that can detect drug use over a much longer period of time than saliva, sweat or urine tests. Hair testing is also more robust with respect to tampering. Thus, hair sampling is preferred by the US military [66] and by many large corporations, which are subject to Drug-Free Workplace Act of 1988.

  5. Psychemedics Corporation - Wikipedia

    en.wikipedia.org/wiki/Psychemedics_Corporation

    The partnership goes back over 15 years and the drug tests are provided at clinics throughout Brazil, and then shipped to the lab in Culver City, California for analysis. [3] Hair testing analyzes the hair shaft, rather than body fluids like urine or saliva, to determine whether illegal drugs are present.

  6. The best hair growth products for women in 2025, tried ... - AOL

    www.aol.com/lifestyle/best-hair-growth-products...

    Factors to consider when choosing hair loss products for women. Type of hair loss: First and foremost, Dr. Michelle Henry, a board-certified dermatologist, tells us the most important thing is to ...

  7. Cannabis drug testing - Wikipedia

    en.wikipedia.org/wiki/Cannabis_drug_testing

    Cannabis use is detectable with hair tests and is generally included in the standard hair test. Hair tests generally take the most recent 1.5 inches of growth and use those for testing. That provides a detection period of approximately 90 days. [5] If an individual's hair is shorter than 1.5 inches, this detection period will be shorter.