What is dandruff?

    Researchedby:
    Nick Milazzo, Brady Holmer

    Fact-checked

    by:

    Mike Murray, James Gaylor
    Last Updated: October 25, 2023

    Dandruff is a mild form of seborrheic dermatitis, and is characterized by a flaky, itchy scalp.[1][2] Dandruff is common, affecting about 50% of the adult population worldwide, and is not caused by poor hygiene.[3] It tends to start during puberty and occurs more frequently in males.[4]

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