Why Dying Your Hair May Not Be as Safe as You Think
The basic chemistry of hair dyes has changed little over the last century, but what do we know about the risks of colouring our hair, and why do we do it?
Continue Reading http://gizmodo.comThe basic chemistry of hair dyes has changed little over the last century, but what do we know about the risks of colouring our hair, and why do we do it?
Continue Reading http://gizmodo.com
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