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Lichen sclerosus (LS) is a rare and chronic autoimmune disease, and extragenital LS is particularly challenging to diagnose in children. Histopathology is the gold standard for diagnosis. Dermoscopy is a useful tool when follicular plugs (FP) are observed, though FP are sometimes hard to recognize. The ink test may provide a useful technique to enhance FP visualization and support a diagnosis of extragenital LS, thereby avoiding diagnostic delays or biopsy. Lichen sclerosus (LS) is a rare and chronic autoimmune disease. The estimated prevalence is 1:1000 in a pediatric study. 1 Although genitalia are the most frequently affected areas in children (94%), nearly 3% only developed extragenital disease, and 3% presented with both genital and extragenital lesions. 2 Extragenital LS diagnosis in children may pose

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