1 citations
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May 2023 in “Frontiers in medicine” This review explores how hair dyes and perms can damage hair structure and notes that while some adverse outcomes like skin irritation and allergic reactions have been reported, evidence from human studies remains inconsistent regarding potential risks, including cancer.
25 citations
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August 2015 in “Journal of cosmetic dermatology” This study observed significant differences in hair care practices and biologic hair parameters between Caucasian and African American women, which may contribute to varying hair fragility and growth.
44 citations
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January 2005 in “Dermatology” This article reviews the clinical and diagnostic features of hair shaft disorders, emphasizing the role of structured patient assessments and the avoidance of hair trauma, but reports no new results.
12 citations
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November 1987 in “Pediatric dermatology” This report identified longitudinal grooves in the hair shafts of four children, diagnosing them with uncombable-hair syndrome.
40 citations
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November 1966 in “Archives of Dermatology” This study found that trichorrhexis nodosa, a cause of unexplained hair loss, is often linked to mechanical trauma rather than a metabolic defect.