81 citations
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December 2007 in “Acta materialia” AFM helped show how hair changes under tension and the effects of damage and conditioner.
42 citations
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April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
38 citations
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December 2019 in “Iranian Biomedical Journal” Hair follicle stem cells help burns heal faster and stronger.
27 citations
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February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
6 citations
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January 2016 in “International journal of trichology” Children's hair is more elastic, but tensile strength is similar across different factors.
6 citations
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December 1966 in “Textile Research Journal” Animal hair fibers like wool and mohair are strong when dry, but vicuna fibers are very brittle.
2 citations
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August 2019 in “International Journal of Cosmetic Science” Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
1 citations
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July 2022 in “International journal of trichology” Type 3 hair oil strengthens hair more than coconut oil.
1 citations
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March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
1 citations
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January 1987 in “Journal of Society of Cosmetic Chemists of Japan” The method accurately measures hair damage and strength, revealing effects of cosmetics and metal correlations.
July 2025 in “International Journal of Cosmetic Science” A new 6-point scale reliably measures heat damage to hair from styling tools.
October 2023 in “International journal of research in dermatology” Mintop shampoo improved hair smoothness, shine, and strength after ten washes.
January 2023 in “Minds at UW (University of Wisconsin)” More research is needed to understand how shampoo chemicals affect hair strength and structure.
November 2020 in “INDIAN JOURNAL OF APPLIED RESEARCH” Women with hair loss have weaker hair that breaks more easily.
October 2014 in “University of the Arts London Research Online (University of the Arts London)” Protein-derived ingredients can help strengthen bleached hair.
January 2010 in “SÖFW-Journal” A natural moisturizer can make hair stronger.
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.
62 citations
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February 2016 in “ACS Applied Materials & Interfaces” Technique creates 3D cell spheroids for hair-follicle regeneration.
4 citations
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August 2018 in “Journal of Cosmetic Dermatology” Wound tension after hair transplant surgery increases with strip size and is higher on the sides, affecting scarring.
March 2026 in “ACS Applied Bio Materials” The TO-TF copolymer strengthens damaged hair effectively and sustainably.
July 2024 in “Journal of Investigative Dermatology” Mechanical tension worsens keloid scars by activating inflammation and fibrosis pathways.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
September 2023 in “Clinical, cosmetic and investigational dermatology” A new surgical method using special sutures significantly reduced wound size and prevented disease return in patients with a scarring scalp condition.
March 2020 in “DOAJ (DOAJ: Directory of Open Access Journals)” Hair follicle stem cells improve burn wound healing and strength in rats.
April 2018 in “Journal of Investigative Dermatology” Anigozanthos Flavidus flower extract helps regenerate skin and reduce wrinkles.
11 citations
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April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
April 1987 in “Pediatric Research”
14 citations
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October 1994 in “The Journal of Dermatologic Surgery and Oncology” Silastic-Dacron strips effectively prevent stretch-back after hair reduction surgeries.
January 2009 in “Chinese journal of Clinical Medicine” 50 citations
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October 2007 in “Archives of Dermatological Research”