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    GlossaryExclamation Point Hairs

    short, broken hairs tapering at the base, indicating alopecia areata

    Exclamation point hairs are a characteristic sign of alopecia areata, an autoimmune condition that causes hair loss. These hairs are broken, short, and taper at the base, resembling an exclamation mark. They are often found at the edges of bald patches and indicate active disease progression.

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