TOXINS REMAIN IN YOUR CLOTHES
Thousands of
chemicals are used in clothes manufacturing. Researchers at Stockholm
University have examined if there are chemicals in the clothes we buy as well.
Several substances related to health risks were identified and not even organic
cotton was a guarantee for non-toxic textiles.
In a new thesis 60 garments from
Swedish and international clothing chains have been tested. An initial analysis
found thousands of chemicals in the clothes and around a hundred chemicals were
preliminary identified. Several of the substances were not on the producers'
lists and are suspected to be by-products, residues or chemicals added during
transport.
"Exposure to these chemicals increases the risk
of allergic dermatitis, but more severe health effect for humans as well as the
environment could possibly be related to these chemicals. Some of them are
suspected or proved carcinogens and some have aquatic toxicity," says
Giovanna Luongo, PhD in Analytical Chemistry at Stockholm University.
Depending on occurrence, quantity, toxicity and how
easily they may penetrate the skin, four groups of substances were chosen for
further analysis. The highest concentrations of two of these, quinolines and
aromatic amines, were found in polyester. Cotton contained high concentrations
of benzothiazoles, even clothes made from organic cotton.
The researchers washed the clothes and then measured
the levels of chemicals. Some of the substances were washed off, with a risk of
ending up in aquatic environments. Others remained to a high degree in the
clothes, becoming a potential source of long-term dermal exposure. It is
difficult to know if the levels of these harmful substances are hazardous, and
what effects chemicals in our clothes can have in the long run.
"We have only scratched the surface, this is
something that has to be dealt with. Clothes are worn day and night during our
entire life. We must find out if textile chemicals go into our skin and what it
means to our health. It is very difficult to assess and requires considerably
more research," says Conny Östman, Professor in Analytical Chemistry.
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