42 citations
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April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
7 citations
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January 2017 in “Sub-cellular biochemistry/Subcellular biochemistry” 135 citations
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October 1997 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin is modified by enzymes to form strong structures in hair cells.
37 citations
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October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
43 citations
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September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
2 citations
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March 2018 in “ACS Sustainable Chemistry & Engineering” Heating human hair creates hollow microtubes with smooth surfaces.
18 citations
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March 2009 in “Skin pharmacology and physiology” Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
24 citations
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January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
186 citations
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December 2012 in “Current opinion in cell biology” Keratin proteins are increasingly recognized as important for cell health and are linked to many diseases.
July 2019 in “Ferroelectrics” More human hair protein makes the films weaker and less clear.
3 citations
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January 2007 in “Journal of health science” The enzymatic method can effectively identify chemical treatments on hair.
15 citations
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October 1976 in “Biochemical Journal” Naked-mouse hair lacks certain proteins and has less soluble fibril.
27 citations
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February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
3 citations
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August 2014 in “Journal of The American Academy of Dermatology” Filaggrin mutations are linked to atopic dermatitis and help explain how genetics and environment affect the disease.
5 citations
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November 2003 in “PubMed” Chemical treatments and light exposure damage hair proteins.
9 citations
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July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
75 citations
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November 1965 in “Textile research journal” Papain and bisulfite break down human hair by dissolving parts of it.
3 citations
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January 2021 in “ScienceAsia” Using an enzyme and keratin treatment can significantly repair and strengthen damaged hair.
3 citations
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July 2011 in “Folia Histochemica et Cytobiologica” Calcium reduces involucrin in rat hair bulbs but doesn't affect filaggrin and Kdap.
8 citations
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March 2020 in “Colloids and surfaces. B, Biointerfaces” Heating hair proteins changes their structure and may improve their blood clotting ability.
20 citations
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June 2012 in “British Journal of Dermatology” Bleaching hair damages protein structure, especially keratin, leading to weakened hair.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
February 2019 in “PubMed” The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.
36 citations
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July 1988 in “Archives of Dermatological Research” Pili annulati is caused by a protein metabolism disorder affecting hair structure.
March 2016 in “RepositóriUM (Universidade do Minho)” Molecular dynamics simulations help understand keratin's properties and predict hair's response to treatments.
2 citations
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January 2011 Relaxers straighten African hair by breaking down its helical structure using strong bases.
52 citations
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May 2006 in “Journal of Structural Biology” Keratin-associated proteins help link filaments and affect keratin's strength.
5 citations
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September 2018 in “International journal of genomics” Genetic mutations that disrupt homocysteine breakdown lead to increased damage in mouse hair keratin.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.