12 citations
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July 2015 in “British journal of dermatology/British journal of dermatology, Supplement” Curly hair breaks due to mechanical damage and environmental factors, not chemical makeup, and needs ongoing care to prevent breakage.
1 citations
,
January 2006 High temperatures and cosmetic processes can damage hair keratin, affecting its structure and strength.
72 citations
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July 2003 in “Journal of cosmetic dermatology” Frequent hair coloring and styling can damage hair and cause breakage or loss.
24 citations
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January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
14 citations
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June 2016 in “Pediatric Dermatology” Some congenital hair disorders improve with age and can be managed with treatments like minoxidil, retinoids, supplements, and gentle hair care, but there's no cure.
6 citations
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January 2008 in “Indian Journal of Dermatology” Monilethrix, a genetic hair disorder causing fragile hair, affects three generations in a family.
40 citations
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May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
34 citations
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December 2009 in “Journal of the American Academy of Dermatology” Improper use of ceramic flat irons can cause severe hair damage.
58 citations
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November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.
December 2022 in “The Turkish Journal of Pediatrics” Hair examination helps diagnose rare neurological diseases in children.
Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
December 2024 in “Australian Journal of General Practice” The woman's hair loss pattern doesn't match typical conditions like alopecia areata or female pattern hair loss.
1 citations
,
July 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” Cysteine strengthens hair, and glutamine fuels hair growth.
86 citations
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January 1996 in “Clinics in dermatology” Hair can be damaged by daily routines, but protein-based products can protect and improve it.
63 citations
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October 1972 in “British Journal of Dermatology” Women with thinning hair have thinner hair strands than women without hair loss.
January 2006 in “Dianzi xianwei xuebao” Netherton syndrome causes specific skin and hair changes that help in early diagnosis.
27 citations
,
February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
8 citations
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February 2022 in “International Journal of Dermatology” Lipids are crucial for healthy hair, protecting it from damage and breakage.
5 citations
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June 1993 in “Pediatric dermatology” Monilethrix Syndrome causes fragile, beaded hair that breaks easily and needs early diagnosis for better care.
31 citations
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April 2019 in “Journal of Cutaneous Pathology” Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
January 2014 in “Journal of Pigmentary Disorders” Women's hair gets thinner and grayer as they age, with treatments available for hair loss and graying.
7 citations
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January 2009 in “BMJ Case Reports” Gefitinib can cause slower, finer, brittle, and curly scalp hair.
2 citations
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June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
January 2023 in “Clinical and Experimental Dermatology” Oral minoxidil may help improve fragile hair.
22 citations
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October 1996 in “Dermatologic clinics” Understanding intermediate filaments helps explain hair health and related diseases.
January 2017 in “프로그램북(구 초록집)” Iron deficiency anemia can cause hair breakage.
1 citations
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August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
4 citations
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January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.