Finding balance can be as simple as opting for a spray to calm itchy skin, doing a monthly exfoliating mask (which often pack both exfoliating AHAs or BHAs), or smoothing on a refreshing oil like tea tree or peppermint. To treat visible flakes, however, Pullan recommends bringing in the big guns: “selenium sulfide, zinc pyrithione, [coal] tar, or anti-fungal agents such as fluconazole or ketoconazole,” he says.

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