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.
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.
27 citations
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February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
5 citations
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January 2018 in “International Journal of Trichology” Hair strength is similar across different scalp areas, and not affected by age, gender, or hair thickness.
January 2009 in “Chinese journal of Clinical Medicine” 2 citations
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October 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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November 2022 in “Molecules/Molecules online/Molecules annual” Low-molecular weight hyaluronate can make damaged hair stronger.
June 2024 in “Molecules/Molecules online/Molecules annual” Platycladus orientalis flavonoids protect balding hair from UV damage and slow hair color change.
81 citations
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February 2008 in “Acta materialia” AFM helped show how hair changes under tension and the effects of damage and conditioner.
February 2024 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
10 citations
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September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
41 citations
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November 2020 in “Colloids and surfaces. B, Biointerfaces” Different hair protein amounts change the strength of keratin/chitosan gels, useful for making predictable tissue engineering materials.
7 citations
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October 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
1 citations
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January 1988 Cosmetic treatments after chlorination damage hair more than treatments before.
3 citations
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November 2020 in “Journal of cosmetic dermatology” Coconut oil makes hair stronger and more flexible than mineral oil.
1 citations
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January 2010 in “Journal of Oriental Medicine” Black bean, wheat, and rice bran extracts can boost hair growth and improve hair quality.
1 citations
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May 2019 in “International Journal of Cosmetic Science” The model predicts hair breakage based on key hair properties and helps product developers.
1 citations
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July 2020 in “Journal of Al-Azhar University Engineering Sector” Adding human and horse hair fibers to concrete can increase its strength.
28 citations
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December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.
8 citations
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January 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Curly hair is mechanically different from straight hair and may need new testing methods.
6 citations
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February 2019 in “International Journal of Cosmetic Science” Mexican women's hair is between Asian and Caucasian hair in thickness and shape, with varied strength and some damage.
December 2010 in “Journal of Oriental Medicine” Black bean, wheat, and rice bran extracts can improve hair growth and quality.
29 citations
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December 2011 in “British Journal of Dermatology” A new hair treatment with caffeine and other ingredients makes hair thicker and less likely to break.
23 citations
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November 2021 in “Journal of Bionic Engineering” The new wound dressing helps skin heal faster and fights infection.
11 citations
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April 2016 in “PubMed” New imaging and testing methods can effectively assess hair shape changes and damage.
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.
2 citations
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September 2004 in “International Journal of Cosmetic Science” Hair quality is genetically determined and linked to its composition and strength.
November 2023 in “Cosmetics” Rice derivatives in conditioners protect and improve hair health.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
28 citations
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May 1998 in “Skin Research and Technology” Scalp flaps are stiffer than skin from other body areas, which helps in planning reconstructive and cosmetic head surgeries.