Porosity at Different Structural Levels in Human and Yak Belly Hair and Its Effect on Hair Dyeing

    Alexander R. M. Müllner, Ruben Pahl, Doris Brandhuber, Herwig Peterlik
    Studysummary This study found that while yak belly hair is chemically similar to human hair, its higher porosity and lower mechanical strength limit its usefulness as a substitute in hair dye development.
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    Research cited in this study 10

    1. Chemical And Physical Treatments Damage Caucasian And Afro-Ethnic Hair Fibre: Analytical And Image Assays JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology · 2019
    2. Keratin Network Modifications Lead to the Mechanical Stiffening of the Hair Follicle Fiber Proceedings of the National Academy of Sciences of the United States of America · 2016
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    4. Three-Dimensional Architecture of Macrofibrils in the Human Scalp Hair Cortex Journal of Structural Biology · 2014
    5. Investigating the Origins of Nanostructural Variations in Differential Ethnic Hair Types Using X-Ray Scattering Techniques International Journal of Cosmetic Science · 2013
    6. The Role of Disulfide Bond Formation in the Structural Transition Observed in the Intermediate Filaments of Developing Hair Journal of Structural Biology · 2012
    7. Hair: The Most Sophisticated Biological Composite Material Chemical Society Reviews · 2007
    8. The Intermediate Filament Architecture as Determined by X-Ray Diffraction Modeling of Hard Alpha-Keratin Biophysical Journal · 2004
    9. Existence of Various Structural Zones in Keratinous Tissues Revealed by X-Ray Microdiffraction Journal of Synchrotron Radiation · 1999
    10. Organization of Microfibrils in Keratin Fibers Studied by X-Ray Scattering Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology · 1998