Evaluation of nickel and cobalt release from mobile phone devices used in Brazil

Abstract: Nickel and cobalt are often responsible for metal-induced allergic contact dermatitis. With the increasing use of cell phones, we observed an increase in cases reports on telephone-related allergic contact dermatitis. The present study evaluated nickel and cobalt release from mobile phones...

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Bibliographic Details
Main Authors: Mariana de Figueiredo Silva Hafner (Author), Jessica Chia Sin Chen (Author), Rosana Lazzarini (Author)
Format: Book
Published: Sociedade Brasileira de Dermatologia, 2018-02-01T00:00:00Z.
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Summary:Abstract: Nickel and cobalt are often responsible for metal-induced allergic contact dermatitis. With the increasing use of cell phones, we observed an increase in cases reports on telephone-related allergic contact dermatitis. The present study evaluated nickel and cobalt release from mobile phones used in Brazil. We evaluated devices of 6 brands and 20 different models using nickel and cobalt allergy spot tests. Of the 20 models, 64.7% tested positive for nickel, with 41.1% positive results for the charger input and 23.5% for other tested areas. None of them was positive for cobalt. Nickel release was more common in older models.
Item Description:0365-0596
10.1590/abd1806-4841.20186800