Hairdressers are exposed to high concentrations of formaldehyde during the hair straightening procedure

@article{Pexe2019HairdressersAE,
  title={Hairdressers are exposed to high concentrations of formaldehyde during the hair straightening procedure},
  author={Marcelo Eduardo Pexe and Amanda Marcante and Maciel Santos Luz and Pedro Henrique Manzani Fernandes and Francisco Chiaravalloti Neto and Ana Paula Sayuri Sato and Kelly Polido Kaneshiro Olympio},
  journal={Environmental Science and Pollution Research},
  year={2019},
  volume={26},
  pages={27319 - 27329}
}
The fact that hairdressers are exposed to toxic substances through the handling of creams and smoothing products prompted this study whose aim was to quantify the occupational exposure of hairdressers to formaldehyde by comparing the results of exposure for different types of beauty salon. The study population consisted of 23 beauty salons located in the city of Bauru, São Paulo state, Brazil. The samples were collected by inhaled air tests during the most critical 15-min period of the hair… 
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Formaldehyde provides greater durability and effectiveness in hair straightening processes, and with these purposes, became commonly used irregularly. With Brazilian law, RDC n° 79, 2000 (Anvisa),
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