Daily hair care may cause holes in hair fibers.
16 citations
,
January 1977
September 2023 in “Cutis” A baby girl has a hair disorder called monilethrix, causing fragile hair that may improve over time.
June 2010 in “Chinese Journal of Dermatology” A new gene mutation is linked to monilethrix in the studied family.
January 2000 in “Zhongguo yixue wulixue zazhi” Different human hair keratin types have unique structures that affect how they dissolve and can be used to create self-tendons.
2 citations
,
November 2017 in “Case Reports” A baby boy's toe was saved from damage caused by hair strangulation by quick surgical treatment.
January 2024 in “Research Portal Denmark” Artificial hair fibers improve drug delivery accuracy through skin models.
51 citations
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September 2012 in “Biomacromolecules” Disulfide bonds make keratin in hair stronger and tougher.
January 1999 in “대한피부과학회지” Trichotillomania is more common in young females and often linked to stress and psychiatric conditions, with hair loss and increased catagen hair observed.
19 citations
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May 2006 in “Clinical and Experimental Dermatology” Researchers found a new mutation causing total hair loss from birth.
2 citations
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February 2023 in “International journal of molecular sciences” Body hairs can be used in forensic science and toxicology like scalp hair.
6 citations
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January 2011 in “European Journal of Dermatology” It's important to consider genetic hair disorders when diagnosing hair loss.
March 2026 in “Journal of Investigative Dermatology”
4 citations
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August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
January 2017 in “Journal of Chemical Biological and Physical Sciences” Human hair keratin genes have unique simple sequence repeats that may help track genetic variations.
1 citations
,
August 1994 in “Journal of Cutaneous Pathology” Hair loss happens due to faster cell growth and fewer cells in affected follicles.
48 citations
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December 2004 in “Differentiation” Tooth papilla cells can help regenerate hair follicles and grow hair.
Hair thickening procedures can help people with early hair loss when combined with proper scalp and hair care.
September 2025 in “International Journal of Ayurvedic Medicine” Hair medulla patterns vary by Prakruti type, affecting hair strength.
78 citations
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June 2003 in “Journal of the American Academy of Dermatology” Curly hair shape is determined by the hair bulb.
24 citations
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September 2014 in “Journal of the European Academy of Dermatology and Venereology” Trichoscopy is reliable for diagnosing Temporal Triangular Alopecia and can prevent unnecessary biopsies and wrong treatments.
117 citations
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August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
Genetic factors might cause fibrosing alopecia linked to hair shaft abnormalities.
5 citations
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June 2016 in “Twin research and human genetics” Hair diameter and curvature are mostly determined by genetics.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” The Kras mutation changes normal cell signals, leading to disrupted tissue structure and potential cancer.
July 2025 in “Frontiers in Medicine” Mutations in the LIPH gene cause woolly hair in a child.
21 citations
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June 2009 in “Mammalian genome” A new mutation in the Hr gene causes hair loss in mice, similar to a human hair disorder.
6 citations
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March 1996 in “Journal of Investigative Dermatology” March 2003 in “Clinics in Dermatology” 14 citations
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January 1988