13 citations
,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
13 citations
,
January 2002 in “Biological chemistry” Different conditions affect how hair proteins assemble, and certain mutations can change their structure.
3 citations
,
January 2016 NuMA-microtubule interactions are crucial for proper skin structure and hair growth.
January 2013 in “Wool textile journal” 11 citations
,
January 2000 in “Journal of cosmetic science” Hydrolyzed wheat proteins penetrate all hair types effectively.
17 citations
,
February 2015 in “Experimental Dermatology” Keratins are crucial for hair strength, and mutations in certain keratin genes cause hair disorders.
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.
5 citations
,
July 1999 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Proteolytic enzymes damage hair follicles by detaching stem cells.
July 2019 in “Ferroelectrics” More human hair protein makes the films weaker and less clear.
3 citations
,
January 2021 in “ScienceAsia” Using an enzyme and keratin treatment can significantly repair and strengthen damaged hair.
30 citations
,
April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
8 citations
,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
2 citations
,
January 2011 Relaxers straighten African hair by breaking down its helical structure using strong bases.
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.
12 citations
,
June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
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.
11 citations
,
September 1996 in “Journal of applied polymer science” Potassium cyanide treatment changes hair's disulfide bonds, making it more elastic.
5 citations
,
December 2020 in “International journal of biological macromolecules” Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.
10 citations
,
May 2020 in “Journal of proteome research” Explosions don't stop hair proteins from being used to identify people.
23 citations
,
July 1994 in “Journal of Dermatological Science” Pili torti hair twists due to uneven outer root sheath cell development.
11 citations
,
January 2016 in “International Journal of Biological Macromolecules” Enzymatic phosphorylation of hair keratin improves the effectiveness of hair products with cationic ingredients.
February 2020 in “Oxford University Press eBooks” The alpha-helix was confirmed as a key structure in proteins.
372 citations
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December 2004 in “Nature Genetics”
May 2024 in “Proteome science” Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.
2 citations
,
April 2019 in “Journal of Investigative Dermatology” Gasdermin A3 causes hair follicle stem cells to activate too early, leading to hair loss.
1 citations
,
October 2009 in “International Journal of Cosmetic Science” A new keratin treatment can strengthen and protect aging hair.
23 citations
,
May 2010 in “Surface and interface analysis” Chemical treatments and UV radiation severely damage the lipid layer on hair.
42 citations
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April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
September 2025 in “International Journal of Cosmetic Science” Friction causes hair breakage during combing, and fragment count predicts hair strength.