It's our final episode of the year! After reviewing the colorful — pun very-much intended — history of hair dye, Jenny and Dianna team up with cosmetic chemist Dr. Anne Wagner to answer all your burning (well, hopefully not burning) questions about coloring your hair. This episode of Allure: The Science of Beauty is presented by Head & Shoulders, available at Target.Don’t miss out on new episodes of Allure: The Science of Beauty on Apple Podcasts, Spotify, or wherever you listen to podcasts.

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