Researchers develop a new way to create a spectrum of natural-looking hair colors – Phys.org

We’ve long been warned of the risks of dyeing hair at home and in salons. Products used can cause allergies and skin irritationan estimated 1% of people have an allergy to dye. Furthermore, repeated use of some dyes has been linked to cancer.
But there soon may be a solution for the growing list of salons and hair color enthusiasts searching for natural alternatives to dyes and cosmetics.
Northwestern University researchers have developed a new way to create a spectrum of natural-looking hair colors,…

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