Ethnic hair care products may increase false positives in hair drug testing

Forensic Science International : Synergy
D A KidwellArica R Shepherd

Abstract

The question of why different races appear more susceptible to hair contamination by external drugs remains controversial. This research studied susceptibility of head hair to external cocaine and methamphetamine when hair products have been applied. Three different chemical classes of ethnic hair products were applied to Caucasian, Asian, and African hair. Some products increased the methamphetamine and cocaine concentrations in all hair types. A unique finding of this research is that certain ethnic hair products can replace moisture as a diffusion medium, thereby increasing the susceptibility to contamination over 100-fold compared to petroleum-based products.

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Citations

Dec 30, 2015·Forensic Science International : Synergy·Virginia HillMichael Schaffer
Apr 24, 2018·Medicine, Science, and the Law·Himanshu KhajuriaAshish Badiye
Aug 14, 2019·Drug Testing and Analysis·Dylan MantinieksDimitri Gerostamoulos
Jul 2, 2020·Critical Reviews in Clinical Laboratory Sciences·Bhushan M Kapur, Katarina Aleksa
Sep 25, 2017·Clinical Toxicology : the Official Journal of the American Academy of Clinical Toxicology and European Association of Poisons Centres and Clinical Toxicologists·Eva Cuypers, Robert J Flanagan
Jul 5, 2018·Forensic Science, Medicine, and Pathology·Dylan MantinieksOlaf Drummer
Jun 2, 2017·Human Psychopharmacology·Shanna MarrinanOrnella Corazza
Jul 19, 2018·Conservation Physiology·Madison AckerAlbrecht I Schulte-Hostedde
Jul 27, 2021·Ecotoxicology and Environmental Safety·XinYu HeYanyan Wang

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