IT is said to trump any relaxer and the GHD hair straightening iron used by Nelson Mandela Bay women who flock to salons every couple of months to get their hair straightened – but research has shown that most commercial Brazilian keratin-type products contain dangerously high levels of a colourless, cancer-causing gas.
A study by University of Cape Town professors Nonhlanhla Khumalo and Mbulelo Maneli – in which they tested seven brands sold in the country – found that most of those on salon shelves contained unacceptably high and dangerous concentrations of formaldehyde.
The chemical is mainly used in building materials and household products, including walls and wood, and inhalation can cause a sore throat, scratchy eyes and even nosebleeds. – Zandile Mbabela
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