2011
DOI: 10.1007/s00216-011-4685-0
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Impact of hair-care products on FAEE hair concentrations in substance abuse monitoring

Abstract: Previous studies have indicated that the use of high-ethanol-content (>65%) hair-care products may elevate fatty acid ethyl ester (FAEE) concentrations in hair. In this case series, nine individuals were identified by FAEE analysis to be chronic alcohol abusers in the context of child-welfare substance abuse monitoring. Based on patient claims of moderate or no alcohol consumption, the presence of ethanol in the patients' hair-care regimens was investigated. Samples were additionally tested for the presence of… Show more

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Cited by 59 publications
(32 citation statements)
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“…EtG and FAEEs are affected by cosmetic treatments, however, their incorporation into hair is not affected by hair pigmentation. The role of contamination from cosmetics should be considered when interpreting the presence of alcohol biomarkers in hair [10,11].…”
Section: Chronic Excessive Alcohol Consumption [5]mentioning
confidence: 99%
“…EtG and FAEEs are affected by cosmetic treatments, however, their incorporation into hair is not affected by hair pigmentation. The role of contamination from cosmetics should be considered when interpreting the presence of alcohol biomarkers in hair [10,11].…”
Section: Chronic Excessive Alcohol Consumption [5]mentioning
confidence: 99%
“…While we observed neither amphetamine (from methamphetamine) nor benzoylecgonine (from cocaine) in our limited time exposures, "metabolites" are known to be generated inside the hair as chemical decomposition products over time [56]. Cocaethylene, once thought to form only in the liver when cocaine and ethanol are consumed simultaneously [57], is subject to reevaluation in light of studies including Gareri and co-workers concluding that fatty acid ethyl esters formed in vitro from hair care products [58], chemically comparable to transesterification of cocaine with alcohol in the hair care products producing cocaethylene in vitro.…”
Section: Cut-offmentioning
confidence: 69%
“…Néanmoins, les FAEE ne peuvent pas être mesurés en cas d'usage de lotions capillaires contenant de l'éthanol, puisque les FAEE peuvent se former de façon spontanée au niveau du cuir chevelu par interaction chimique simple avec le sébum [5]. Le risque de faux positifs est donc important avec les FAEE.…”
Section: Résultats Et Discussionunclassified