2 citations
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August 1987 in “Analytical Biochemistry” A new method isolated previously undetected hair proteins rich in glycine and tyrosine.
20 citations
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June 2012 in “British Journal of Dermatology” Bleaching hair damages protein structure, especially keratin, leading to weakened hair.
January 2025 in “International Journal of Cosmetic Science” Citric acid strengthens and improves damaged hair.
28 citations
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November 2009 in “Journal of Structural Biology” High flux X-ray beams quickly damage the structure of human hair.
July 2024 in “Journal of Investigative Dermatology” Propolis extract can promote hair growth and increase keratin production.
September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.
14 citations
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September 2019 in “Forensic Science International Genetics” Hair keratin proteins can be reliably identified in hair as short as 0.12 cm, with 0.5 to 2 cm being the best length for analysis.
Keratin peptide signatures in hair may help identify gender and ethnicity.
4 citations
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December 1989 in “The Journal of Dermatology” Human hair proteins have similar cysteine and glycine levels to skin proteins.
Keratin gel may help repair damaged nerves.
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
December 2022 in “Communications biology” May 2026 in “Waste and Biomass Valorization”
109 citations
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September 2011 in “Human molecular genetics online/Human molecular genetics” New treatments targeting specific genes show promise for treating keratin disorders.
YH0618 helps reduce chemotherapy-induced hair loss by targeting specific proteins and pathways.
January 2017 in “DR-NTU (Nanyang Technological University)” Keratin sponges are as biocompatible as collagen, but keratin gels are slightly less so.
91 citations
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December 2000 in “The journal of cell biology/The Journal of cell biology” Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.
1 citations
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July 2023 in “International Journal of Biological Macromolecules” The study created a new hair loss treatment paste that regrows hair faster and with fewer side effects than minoxidil alone.
1398 citations
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May 2008 in “Histochemistry and Cell Biology” Keratins are crucial for cell stability, wound healing, and cancer diagnosis.
12 citations
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March 2004 in “Journal of Investigative Dermatology” 18 citations
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July 2015 in “Journal of cosmetic dermatology” Straightening and coloring hair, especially with sodium hydroxide, greatly increases protein loss.
A natural, eco-friendly treatment using casein and tannic acid strengthens hair by 21% while keeping it elastic.
December 2022 in “Communications biology”
March 2026 in “DergiPark (Istanbul University)” Biotinoyl tripeptide-1 nanoparticles protect hair from heat damage.
48 citations
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January 2002 in “Journal of Structural Biology” Trichocyte filaments have a low-density core and may include proteins for hair structure.
7 citations
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August 2021 in “Pharmaceutics” Freeze-dried dexamethasone nanoparticles in a hydrogel are stable and effective for treating alopecia areata.
2 citations
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March 2005 in “International Journal of Cosmetic Science” Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
February 2024 in “ACS applied bio materials” Keratin microspheres might help hair grow.
43 citations
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August 1994 in “Journal of Investigative Dermatology” October 2024 in “Archives of Dermatological Research”