44 citations
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August 1990 in “PubMed” Keratins K1 and K10 are found in the inner root sheath and cuticle of human hair follicles.
2 citations
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December 2019 in “Textile Research Journal” L-cysteine and ultrasound successfully improved rabbit hair fibers for industrial use.
December 2007 in “FJ. Fragrance journal”
36 citations
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October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
23 citations
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June 2014 in “International Journal of Cosmetic Science” Glyoxylic acid is a safer alternative to formaldehyde for hair straightening and effectively changes hair structure.
January 2003 in “Jiepouxue zazhi” HHK can help restore skin structure.
23 citations
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January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
10 citations
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November 2013 in “Biochemistry and Molecular Biology Education” Keratins are crucial proteins for hair and nails, with a structure that helps teach protein principles.
January 2019 in “Durham e-Theses (Durham University)” Advanced microscopy shows hair damage and keratin proteins' roles, aiding future cosmetic treatments.
2 citations
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January 2004 in “Sen i Gakkaishi” Human hair and nail proteins are unlikely to cause allergic reactions.
13 citations
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November 1959 in “Annals of the New York Academy of Sciences” January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
86 citations
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January 1996 in “Clinics in dermatology” Hair can be damaged by daily routines, but protein-based products can protect and improve it.
23 citations
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February 2004 in “British Journal of Dermatology” Keratin in mouse hair follicles is complex and plays specific roles.
April 2025 in “Pharmaceuticals” APA is a promising new compound for repairing damaged hair, outperforming Olaplex® in strength and elasticity.
21 citations
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March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
18 citations
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February 1992 in “Molecular Biology Reports” A specific type II hair keratin was identified and found in hair cortex and tongue cells.
46 citations
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June 2013 in “Journal of structural biology” High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.
15 citations
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January 1992 in “Sen'i Gakkaishi” The Cell Membrane Complex in hair has both water-attracting and water-repelling layers.
6 citations
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October 2003 in “Journal of applied polymer science” A new method using poly(ethylene imine) improves hair dyeing at lower temperatures with better color retention.
12 citations
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October 1947 in “Journal of the Society of Dyers and Colourists” Mercuric acetate makes wool unshrinkable by changing its elastic properties.
April 1996 in “Journal of Dermatological Science” July 2024 in “International journal of agriculture and food sciences research.” The new fish peptide conditioner significantly improves and repairs damaged hair better than a commercial wheat protein conditioner.
116 citations
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April 1986 in “The journal of cell biology/The Journal of cell biology” Trichohyalin is a protein in hair follicles that helps form hair filaments.
26 citations
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March 2013 in “Journal of Biomedical Materials Research Part A” Researchers created a 3D hydrogel that mimics human hair follicles, which may help with hair loss treatments.
10 citations
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November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
A natural, eco-friendly treatment using casein and tannic acid strengthens hair by 21% while keeping it elastic.
122 citations
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January 2006 in “Molecular & Cellular Proteomics” Human hair contains many proteins, with some being highly abundant and modified.
January 2017 in “DR-NTU (Nanyang Technological University)” Keratin sponges are as biocompatible as collagen, but keratin gels are slightly less so.
12 citations
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January 2014 in “Cell structure and function” Different combinations of human hair keratins affect how hair fibers form.