Trichohyalin, a protein from pig tongue, was purified and found to have a filamentous structure.
15 citations
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December 1972 in “Journal of Investigative Dermatology”
May 2024 in “Ultramicroscopy” Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.
1 citations
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January 2017 in “PubMed” All five hair fiber products improved appearance but didn't stick to completely bald areas.
1 citations
,
January 2021 in “Springer Proceedings in Materials” Researchers developed a new method to clearly see and label hair proteins with minimal errors using advanced freezing and microscopy techniques.
September 2021 in “Zenodo (CERN European Organization for Nuclear Research)” 1 citations
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February 2015 in “Zenodo (CERN European Organization for Nuclear Research)” Different hair fiber brands have unique electrostatic and dielectric properties.
7 citations
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August 2009 in “Applied Mathematics and Mechanics-English Edition” Hair fibers have fractal patterns with properties related to the golden mean, which may affect their functionality.
2 citations
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July 2008 in “Dermatologic Surgery” The Cross-section Trichometer is a promising tool for measuring hair characteristics without cutting the hair and may have various clinical uses.
1 citations
,
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.
1 citations
,
April 2023 in “PubMed” Biocompatible artificial hair implants significantly improved patients' quality of life and were successful.
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
42 citations
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April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
28 citations
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December 2016 in “Journal of Biomedical Materials Research Part A” Bone-forming cells grow well in 3D polymer scaffolds with 35 µm pores.
December 2025 in “Frontiers in Medicine” Biofibre ® 4.0 hair implants are safe and satisfy most patients with hair loss.
24 citations
,
December 1957 in “Experimental Cell Research” The glassy layer of hair follicles has different fibril sizes and arrangements in guinea pigs and young mice.
5 citations
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March 2000 in “PubMed” The study found that using polyamide synthetic hair for implants is generally safe and gives good results with proper medical follow-up.
254 citations
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January 2007 in “Chemical Society Reviews” Hair is a complex protein fiber with unique properties useful for developing hair products.
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.
28 citations
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November 1987 in “Journal of the American Academy of Dermatology” The model successfully grew and differentiated hair follicle cells in the lab.
23 citations
,
September 1992 in “Archives of Dermatological Research” Cepharanthine and minoxidil promote cell growth and delay hair cell maturation.
17 citations
,
August 2014 in “The Anatomical Record” Scaffoldin helps form hard skin structures in chicken embryos.
7 citations
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May 2012 in “Journal of veterinary diagnostic investigation” Some young Angus cattle had skin problems due to not enough vitamin A, which got better after they were given more vitamin A.
9 citations
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November 2008 in “Journal of Cosmetic Dermatology” Artificial hair implantation is generally safe and can restore hair when other treatments fail, but some patients may experience side effects.
27 citations
,
September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
1 citations
,
July 2019 in “Microscopy Today” Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.
19 citations
,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
27 citations
,
March 2018 in “Journal of Experimental Biology” Wool fibre curvature is due to longer orthocortical cells compared to paracortical cells.
2 citations
,
April 2023 in “Archives of Aesthetic Plastic Surgery” The phototrichogram is better for measuring hair thickness.
4 citations
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February 2015 in “PubMed” The hair fiber filler product increased satisfaction and improved quality of life for people with thinning hair.