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It has been a few years now that substances used in haircolor have been the subject of a comprehensive assessment of safety, performed on the European level, because of their toxic potential and their highly allergenic character. Within this framework, 31 substances of capillary dyes were temporarily authorized until 31 December 2009, while awaiting final risk evaluation to be returned by the European Scientific Committee for Consumer Products, who have just obtained an additional delay ahead of returning their decision.
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