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BACKGROUND: Due to a high incidence of cases of (occupational) sensitization to glyceryl monothioglycolate (GMT), products containing this compound were withdrawn from the German market some 8 years ago. METHODS: We analyzed the data of the Information Network of Departments of Dermatology in Germany which included 1, 336 hairdressers who had been tested with GMT (1% in petrolatum) between 1992 and 1998. RESULTS: The proportion of hairdressers reacting positively to GMT fell from initially 45% in 1992 to less than 20% in 1997 and 1998. CONCLUSION: This most likely reflects the above-mentioned preventive action.
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Uter et al. (2000) studied this question.
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