Alopecia Areata After Severe Allergic Contact Dermatitis to a Permanent Hair Dye

    August 2022 in “ Contact dermatitis ”
    María Elena Gática‐Ortega, Elena Vera‐Iglesias, Blas Gómez‐Dorado, Cristina Pérez‐Hortet, María Antonia Pastor‐Nieto
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    TLDR Severe allergic reactions to hair dye can trigger hair loss and may be linked to multiple sclerosis.
    The document discusses a case of alopecia areata that developed following severe allergic contact dermatitis caused by a permanent hair dye. The authors, affiliated with the Dermatology Department at Hospital Universitario de Toledo and Universidad de Castilla-La-Mancha, conducted a thorough investigation and analysis. They emphasize the importance of recognizing allergic reactions to hair dyes as potential triggers for alopecia areata. The study highlights the need for awareness and careful consideration of hair dye ingredients to prevent such adverse effects. The authors declare no conflict of interest.
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