Environmental and biological monitoring of occupational formaldehyde exposure resulting from the use of products for hair straightening

Environmental Science and Pollution Research International
Giovana Piva PeteffiRafael Linden

Abstract

The evaluation of formaldehyde (FD) exposure in beauty salons, due to the use of hair straightening products, and its relation with genotoxicity biomarkers was performed in this study. Regardless of official recommendations, the inappropriate use of homemade hair creams has became a popular practice in Brazil, and high formaldehyde content in the "progressive straightening" creams can contain mutagens that could increase the incidence of neoplasia in those people who use them. Damage to DNA was assessed by conducting a micronuclei test (MNT) on buccal cells and the comet assay on heparinized venous blood samples. A total of 50 volunteers were recruited at six different beauty salons (labeled A to F). At two salons that used products that did not contain FD (salons D and E), environmental FD concentrations were 0.04 and 0.02 ppm. In contrast, the products used at salons A, B, C, and F contained 5.7, 2.61, 5.9, and 5.79% of FD, and these salons had environmental FD concentrations of 0.07, 0.14, 0.16, and 0.14 ppm, respectively. Comparison of the beauty salon workers from each of the six beauty salons revealed significant differences in urinary formic acid (FA) concentration before exposure (p = 0.016), urinary FA after exposure (...Continue Reading

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Citations

Jul 6, 2016·Archives of Toxicology·M GleiW Schlörmann
Aug 23, 2016·Fertility and Sterility·Erika T Chow, Shruthi Mahalingaiah
Dec 8, 2016·Biomarkers in Medicine·Pieranna ChiarellaDamiano Carbonari
Mar 21, 2018·Toxicology and Industrial Health·James G Dahlgren, Patrick J Talbott
Sep 14, 2018·Drug and Chemical Toxicology·Mohamed A Aglan, Ghada N Mansour
Jul 21, 2020·Drug and Chemical Toxicology·Letícia BernardiniNatália Brucker
Nov 14, 2018·Environmental Science and Pollution Research International·Eduardo BarbosaMariele Feiffer Charão
Jul 20, 2019·Environmental Science and Pollution Research International·Marcelo Eduardo PexeKelly Polido Kaneshiro Olympio
Apr 15, 2021·Journal of Public Health Research·Bruno CharlierViviana Izzo
May 8, 2021·Clinical Kidney Journal·Avital MitlerMaital Kaidar-Ronat
Oct 29, 2021·Indoor Air·Vittoria CammalleriMatteo Vitali

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