Hong Kong consumer watchdog warns ‘natural’ hair dyes are not always risk free

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Hong Kong’s consumer watchdog has found that more than half of a sampling of 26 different at-home hair dyes – many of them labelled “natural”, “herbal” or “organic” – contained allergens that can cause scalp irritation, rashes, burns and swelling, and even difficulty breathing in severe cases.The dyes in the Consumer Council’s sample comprised seven colouring conditioners, 13 oxidative permanent hair dyes and six henna-type products. The watchdog found that 16 of the 26 products contained…

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