13 citations
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January 2002 in “Biological chemistry” Different conditions affect how hair proteins assemble, and certain mutations can change their structure.
5 citations
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October 1988 in “Clinics in Dermatology” A method was developed to grow hair follicles in a lab for research on hair growth and health.
32 citations
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October 1985 in “Annals of the New York Academy of Sciences” Keratin genes help explain how hair and feathers develop differently in mammals and birds.
6 citations
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February 2021 in “Proteins” Researchers found that the most reachable bonds in wool fibers are near the ends of certain proteins, which help stabilize the fiber's structure.
1 citations
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March 2025 in “Journal of Society of Cosmetic Chemists of Japan” BECD helps straighten wavy hair by reducing undulation.
36 citations
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September 2013 in “PLoS ONE” Sweat gland stem cells help maintain glands, aid wound healing, and can regenerate skin structures.
January 2023 in “Figshare” Mouse skin and hair aging starts at 200 days, with changes in hair follicles and more white hairs as signs of aging.
May 2024 in “Proteome science” Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.
122 citations
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January 2006 in “Molecular & Cellular Proteomics” Human hair contains many proteins, with some being highly abundant and modified.
8 citations
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November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
76 citations
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December 2011 in “Journal of Cell Science” Different keratin types have unique amino acid patterns that are evolutionarily conserved.
24 citations
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October 2008 in “PubMed” Excessive sun exposure damages hair, causing protein loss and color changes.
5 citations
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January 2017 in “Elsevier eBooks” The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
March 2005 in “International Journal of Cosmetic Science” DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
24 citations
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November 1997 in “Journal of Biological Chemistry” Mouse high-glycine/tyrosine proteins have distinct patterns in hair follicles, peaking at specific hair cycle days.
73 citations
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May 2009 in “Proceedings of the National Academy of Sciences” Disrupting the Sox21 gene in mice causes hair loss and regrowth cycles.
12 citations
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January 2013 in “Acta Histochemica” Junctional proteins stabilize the inner root sheath and connect the companion layer in human hair.
12 citations
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December 2003 in “Gene” The ovine Hoxc-13 gene is crucial for hair formation and may have other skin functions.
5 citations
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January 2019 in “Methods in molecular biology” Multiphoton microscopy can effectively image live cells in cornea, skin, and hair follicles over time.
4 citations
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April 1989 in “The Journal of Dermatology” Trichohyalin granules help inner root sheath cells in hair follicles harden by integrating with keratin filaments.
April 2019 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” Hair straightening at pH 1.0 improves alignment but weakens hair more than pH 2.0.
7 citations
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December 2020 in “ACS biomaterials science & engineering” Human hair keratins can form stable nanofiber networks that might help in tissue regeneration.
93 citations
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May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
32 citations
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February 2018 in “Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy” Cosmetic residues on individual hairs can be identified and differentiated using ATR FT-IR microspectroscopy.
10 citations
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December 2001 in “PubMed” The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
10 citations
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December 1991 in “Annals of the New York Academy of Sciences” Minoxidil boosts hair growth in genetically modified mice.
17 citations
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December 2019 in “Stem Cell Research & Therapy” Grouping certain skin cells together activates a growth pathway that helps create new hair follicles.
August 2025 in “Biomaterials” A new therapy using secretions from fetal cartilage cells shows promise for safe and effective hair regrowth.
6 citations
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January 2004 in “DNA Research” A mutation in the Sgkl gene causes defective hair growth in mice.