TLDR The hair disorder was caused by abnormal protein formation, making hair easily damaged.
A case study from 1980 described a man with generalized trichorrhexis nodosa, a hair disorder. Electron histochemical studies indicated abnormal alpha-keratin chain formation in the hair cortex, particularly involving low cystine levels. This defect, along with multiple vacuoles in the endocuticle, was identified as the intrinsic cause that made the hair susceptible to damage from minor chemical and physical trauma.
1 citations
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January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Hair can't be reliably repaired once damaged; prevention and proper product use are key to maintaining hair health.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
October 2024 in “Cosmetics” Afro-textured hair needs personalized care due to its unique genetic traits.
11 citations
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January 2004 in “Exogenous dermatology” Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.
126 citations
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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.
