Background: Lichen planopilaris (LPP) is a primary lymphocytic cicatricial alopecia characterized by several different patterns of permanent hair loss.
Summary: Trichoscopy plays an essential role in the context of LPP, as recognizing the distinctive signs of the disease facilitates the diagnosis of all forms of lichenoid alopecia.
Key messages: This review aimed to recognizing the trichoscopic signs early on, enabling timely intervention, potentially preventing the disease from advancing to its permanent scarring stage.
Keywords: Hair disease; Hair disorder; Lichen planopilaris; Scarring alopecia; Trichoscopy.
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