TLDR Monilethrix is not caused by a metabolic defect.
Monilethrix was a hair disorder characterized by fragile, beaded hair and baldness. In a study of four children, it was observed that there was no regular pattern in the formation of nodes and internodes in their hair. Light microscopy suggested that periodic inhibition of keratin synthesis might have caused the hair constrictions. Scanning electron microscopy revealed longitudinal ridging and surface irregularities in the hair. The study also found that urine chromatography for argininosuccinic acid did not support the theory that monilethrix was a metabolic defect.
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January 2011 in “International Journal of Trichology” Light microscopy is useful for diagnosing different hair disorders.
Researchers found a genetic link for hereditary hair loss but need more analysis to identify the exact gene.
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June 2008 in “Journal of The American Academy of Dermatology” The article explains the genetic causes and symptoms of various hair disorders and highlights the need for more research to find treatments.
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January 1987 in “Journal of The American Academy of Dermatology” The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.
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January 2019 in “Paediatrics and Child Health” The document concludes that understanding hair biology and recognizing hair conditions are crucial for managing and treating hair loss in children.
