19 citations
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January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
Moisture makes hair flexible for reshaping during blowouts.
9 citations
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March 2005 in “International Journal of Cosmetic Science” The torsional method effectively evaluates hair damage and the performance of hair care ingredients.
11 citations
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November 2003 in “PubMed” Treatments with certain oils and resins make hair shinier, while zinc oxide and synthetic sebum make it duller.
17 citations
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July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
Hydrophobic modifications make human hair less affected by water.
Different treatments change the strength and flexibility of human hair.
2 citations
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December 2010 in “PubMed” The new stiffness test works well for gels but not for sprays.
3 citations
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January 2022 in “Biomaterials Science” The dressing can track joint movement and speed up healing of joint wounds.
December 2023 in “Journal of molecular structure” Hair treatments and dehydration affect hair's lipid and protein behavior, influencing its flexibility and appearance.
10 citations
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November 1984 in “Journal of Colloid and Interface Science” The study found that the Marangoni effect causes the uneven wetting of surfactant-coated hair due to the surfactant moving into the water.
1 citations
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January 2017 in “Elsevier eBooks” Functional materials in hair care improve shine, volume, frizz control, color protection, and repair.
1 citations
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January 2015 in “Journal of Society of Cosmetic Chemists of Japan” Keratin film can effectively measure hair texture and adsorption properties.
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.
3 citations
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March 2010 in “International Journal of Cosmetic Science” Functionalized silicones improve hair appearance, combing, and manageability.
January 2007 in “Proceedings of the Korean Fiber Society Conference” New resin B makes artificial hair fibers hold curls longer than traditional resin A.
9 citations
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July 2018 in “Journal of Testing and Evaluation” Adding human hair to sand improves its strength when dry and maintains strength when wet.
October 2021 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” The active ingredient improves the strength of damaged hair fibers.
27 citations
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February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
8 citations
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August 1993 in “Colloid & Polymer Science” The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.
117 citations
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August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
49 citations
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June 2004 in “Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences” Human hair becomes weaker and stretches more easily at higher temperatures.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
March 2005 in “International Journal of Cosmetic Science” A new method helps understand hair shine and various products improve hair care.
June 2010 in “DR-NTU (Nanyang Technological University)” Hair coloring and chlorine change hair strength differently.
18 citations
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April 2010 in “Langmuir” Human hair surface varies in wettability, showing daily and monthly patterns.
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.
10 citations
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January 2012 in “Journal of Biological Macromolecules” Keratin film can effectively replace human hair for testing hair damage.
February 2026 in “Journal of the Korean Society of Cosmetology” Silicone oil viscosity affects hair curling and damage during treatments.
January 2009 in “Chinese journal of Clinical Medicine”