Trichorrhexis Nodosa

Trichorrhexis Nodosa –  one or more swellings which appear along the axes of hairshafts which show as highlighted spots under photomicrography.

Trichorrhexis Nodosa

Photomicrograph x 50  © B J Stevens 

Breakage occurs leaving the ends frayed (almost brush-like).

      The condition can result from: excessive heat,

exposure to:-  hydrogen peroxide, hair dyes, alkalis.

Mechanical trauma.

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