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    GlossaryTrichorrhexis Nodosa (TEC)

    hair shaft disorder causing weak points and easy breakage

    Trichorrhexis Nodosa is a hair shaft disorder characterized by the presence of weak points or nodes along the hair strand, leading to easy breakage and split ends. This condition can be caused by genetic factors, physical or chemical trauma to the hair, or underlying medical issues, and it often results in hair that appears frayed or uneven.

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