Ep. 10 | Scalp

Put down your lunch, because this episode begins with a very, uh, vivid description of every nook and cranny on Jenny's scalp, as seen through the microscopic lens of consulting trichologist David Adams. (Don't worry, we explain what a trichologist is within the first three minutes.) Then, Michelle and Jenny welcome dermatologist Michelle Henry, who explains the many ways you should care for your scalp (but probably aren't) and the best treatment options for issues like itchiness, oiliness, and — of course — dandruff.

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This episode of Allure: The Science of Beauty is presented by Pantene.