A young athlete's fragile hair condition improved by cutting hair and using gentle shampoo.
1 citations
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July 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” Cysteine strengthens hair, and glutamine fuels hair growth.
July 2011 in “Microscopy and microanalysis” Human hair's structure makes it tough and resistant to breaking.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
1 citations
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January 2013 in “International Journal of Trichology” A girl with red hair developed hair-pulling and body image disorders after being bullied for her hair color.
1 citations
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January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
34 citations
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October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
1 citations
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August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
April 2024 in “Cosmetics” Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.
January 2002 in “European Urology Supplements” Finasteride can cause sexual side effects like decreased libido and erectile dysfunction.
August 2024 in “Journal of Small Animal Practice” A cat lost hair on its back a month after a road accident, despite no initial skin injuries.
January 2023 in “Journal of Veterinary and Animal Sciences” Dogs with skin lesions often have blood abnormalities and damaged hair.
40 citations
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November 1966 in “Archives of Dermatology” Trichorrhexis nodosa is mainly caused by hair trauma and improves with gentler hair care.
16 citations
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April 2012 in “Journal of mammalogy” Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
2 citations
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August 2022 in “Clinical Case Reports” A 17-year-old girl had severe, on-and-off hair loss, likely due to COVID-19. She was treated with Vitamin D3, biotin, and other supplements, and saw some improvement within a month.
28 citations
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January 2007 in “Dermatology” Chemotherapy can cause rapid, extensive hair loss, with patterns varying between individuals.
October 2025 in “Dermatologic Surgery” Twisted hair follicles can survive transplantation as well as intact ones.
January 2024 in “Revista del Centro Dermatológico Pascua” Avoiding damage and using specific shampoo and supplements improved the hair condition.
2 citations
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January 1989 Tay syndrome is a unique genetic disorder causing skin, hair, and developmental issues.
1 citations
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November 2022 in “Journal of the Endocrine Society” Adults with classic congenital adrenal hyperplasia value medication that prevents weight gain from glucocorticoids the most.
26 citations
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January 1993 in “Dermatology” A rare case of isolated trichothiodystrophy was identified, marked by brittle hair with low sulfur content.
January 2025 in “International Journal of Trichology” Increased hair growth after a cast is temporary and harmless.
January 2017 in “프로그램북(구 초록집)” Iron deficiency anemia can cause hair breakage.
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.
Anti-keratin antibody from cow milk makes damaged hair stronger and less likely to break.
245 citations
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January 1998 in “Genes & Development” Hoxc13 gene is essential for hair, nail, and papilla development.
7 citations
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November 2004 in “International Journal of Cosmetic Science” Hair breaks differently when wet or dry and is affected by its condition and treatments like perms and bleaching.
7 citations
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June 1967 in “Journal of Investigative Dermatology” Plucking hairs in a certain way can result in intact hair roots, not related to baldness.
1 citations
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July 2007 in “Plastic and Reconstructive Surgery” Hair grafts improved the look of a man's leg after an accident and the patient was happy with the results.