Contact dermatitis to methylisothiazolinone
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Authors: | Maria Antonieta Rios Scherrer Vanessa Barreto Rocha Ana Regina Coelho Andrade |
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Institution: | 1.Universidade Federal de Minas Gerais (UFMG) - Belo Horizonte (MG), Brazil |
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Abstract: | Methylisothiazolinone (MI) is a preservative found in cosmetic and industrial
products. Contact dermatitis caused by either
methylchloroisothiazolinone/methylisothiazolinone (MCI/MI or Kathon CG) or
MI has shown increasing frequency. The latter is preferably detected
through epicutaneous testing with aqueous MI 2000 ppm, which is not
included in the Brazilian standard tray. We describe a series of 23
patients tested using it and our standard tray. A case with negative
reaction to MCI/MI and positive to MI is emphasized. |
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Keywords: | Additives in cosmetics Dermatitis allergic contact Preservatives pharmaceutical |
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