A Case of Cosmetic-Related Eyebrow Loss: Combined Analysis Using Dermoscopy and Reflectance Confocal Microscopy

    December 2025 in “ Dermatological Health ”
    Jiaming Chen, Dongjie Sun
    Image of study
    TLDR Using eyebrow powder caused eyebrow hair loss, but stopping its use led to regrowth.
    A 23-year-old female experienced eyebrow thinning and hair loss due to cosmetic product use, specifically eyebrow powder. Dermoscopy and reflectance confocal microscopy revealed hair breakage, follicular damage, and inflammatory cell infiltration. Patch testing confirmed a strong positive reaction, leading to a diagnosis of cosmetic-induced follicular damage. Discontinuing the product resulted in eyebrow regrowth, emphasizing the risks of cosmetic ingredients to hair health and the value of non-invasive diagnostic methods.
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