Trichorrhexis nodosa is a common hair problem in which thickened or weak points (nodes) along the hair shaft cause your hair to break off easily.
Hair shaft fracture; Brittle hair; Fragile hair; Hair breakage
Trichorrhexis nodosa can be an inherited condition.
The condition may be triggered by things such as blow-drying, ironing the hair, over-brushing, perming, or excessive chemical use.
In some cases, trichorrhexis nodosa is caused by an underlying disorder, including very rare ones, such as:
Your hair may break easily or it may appear like it is not growing.
In African Americans, looking at the scalp area using a microscope shows that the hair breaks off at the scalp area before it grows long.
In other people, the problem often appears at the end of a hair shaft in the form of split ends, thinning hair, and hair tips that look white.
If you have a disorder that is causing trichorrhexis nodosa, it will be treated if possible.
Your provider may recommend measures to reduce damage to your hair such as:
Improving grooming techniques and avoiding products that damage hair will help correct the problem.
This condition is not dangerous, but may affect a person's self-esteem.
Call your provider if symptoms do not improve with changes in grooming and other home-care measures.
James WD, Elston DM, Treat JR, Rosenbach MA, Neuhaus IM. Diseases of the skin appendages. In: James WD, Elston DM, Treat JR, Rosenbach MA, Neuhaus IM, eds. Andrews' Diseases of the Skin: Clinical Dermatology. 13th ed. Philadelphia, PA: Elsevier; 2020:chap 33.
Restrepo R, Calonje E. Diseases of the hair. In: Calonje E, Brenn T, Lazar AJ, Billings SD, eds. McKee's Pathology of the Skin. 5th ed. Philadelphia, PA: Elsevier; 2020:chap 22.
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