photo:s.miles/freedigitalphotos.net |
This Brazilian-style blowdry actually uses a combination of formaldehyde (a known human carcinogen) and keratin to keep locks straight for up to three months
The disturbing part of the story is the aspect no one is talking about. If it damages hair what is it doing to the lungs of stylists who apply it day after day?
A study from the University of California, Berkeley found that formaldehyde concentrations in the air around hairstylists and customers exceeded the limits set by the U.S. Occupational Safety and Health Administration.
The study's author Michelle Stewart is quoted as saying that 'without proper engineering controls like local exhaust ventilation [the product] could expose hairdressers and their clients to formaldehyde at levels above the short-term occupational exposure limits.'
Previous studies of workers exposed to formaldehyde have suggested an association with several cancers, including nasopharyngeal cancer and leukemia.
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