Jewellery found to have excessive levels of nickel

Wed, 21 Oct 2009

In Denmark, researchers have found excessive levels of nickel in 80 per cent of children’s hair clasps, according to a recent paper in the scientific journal, Science of the Total Environment .

The EU directive bans the use of nickel in products which will come into direct and prolonged contact with skin, unless the product meets with a specific migration limit.

The researchers bought hair clasps and inexpensive jewellery from 36 stores and street vendors in Copenhagen and tested these products for nickel release. The results showed that 19 per cent of hair clasps, 15 per cent of earrings and 13 per cent of necklaces that were intended to be worn by adult women released an excessive amount of nickel.

In the case of products designed for children, excessive nickel release was found in 80 per cent of hair clasps and 20 per cent of finger rings . The researchers say that the prevalence of nickel allergy is high as nearly 10 per cent of young women are allergic to nickel .
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