The influence of cosmetic treatments in the uptake of in vitro cocaine contamination in hair
Alexandra Dombroski,
Marialejandra Faure Betancourt,
Alexis Alvarado
et al.
Abstract:Hair analysis is a powerful tool to assess drug use, yet the challenge of external contamination complicates its interpretation. Understanding the influence of cosmetic hair treatments is pivotal as their presence may affect this phenomenon. This study investigated the effects of four cosmetic treatments (bleach, henna, gel, and dry shampoo) on the external in vitro contamination of cocaine and its primary metabolite, benzoylecgonine (BE). Hair samples were divided into four groups: A‐hair treated with cosmeti… Show more
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