We've long been warned of the risks of dyeing hair at home and in salons. Products used can cause allergies and skin irritation—an estimated 1% of people have an allergy to dye. Furthermore, repeated ...

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I'm a bit of a floozy when it comes to hairdressers. My locks have enjoyed a string of flings with colourists but always forget the last when a better one comes along. But having recently visited ...