The Case of the Felted Wig

    May 1983 in “ Acta dermato-venereologica ”
    Günter Blankenburg, Marcella Guarrera, Alfredo Rebora
    TLDR The hairpiece matted due to weathered hair after shampooing.
    The document reported a sudden matting of hair in a hairpiece after shampooing, which resulted in the patient filing a lawsuit. Chemical analyses revealed that the hairs were weathered, providing a possible explanation for the unusual matting phenomenon.
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