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    Glossary Hair Structure

    composition and organization of a hair strand's layers

    Hair structure refers to the composition and organization of a hair strand, which consists of three main layers: the cuticle, cortex, and medulla. The cuticle is the outermost layer, made of overlapping cells that protect the inner layers. The cortex, which is the thickest layer, contains keratin and pigments that give hair its strength, elasticity, and color. The medulla, found in thicker hair types, is the innermost layer and may play a role in the hair's overall structure and function. Understanding hair structure is crucial for diagnosing and treating hair-related conditions.

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    1. WNT Signaling in the Control of Hair Growth and Structure Developmental biology · 1999 · 271 citations
    2. Formation and Structure of Human Hair Birkhäuser Basel eBooks · 1995 · 175 citations
    3. The structure and organization of lanceolate mechanosensory complexes at mouse hair follicles eLife · 2014 · 106 citations
    4. Mutant laboratory mice with abnormalities in hair follicle morphogenesis, cycling, and/or structure: annotated tables Experimental dermatology · 2001 · 86 citations
    5. Hair colouring, permanent styling and hair structure Journal of cosmetic dermatology · 2003 · 72 citations
    6. Mutant laboratory mice with abnormalities in hair follicle morphogenesis, cycling, and/or structure: An update Journal of Dermatological Science · 2012 · 52 citations
    7. Characterization of Human KAP24.1, A Cuticular Hair Keratin-Associated Protein with Unusual Amino-Acid Composition and Repeat Structure 2007 · 51 citations
    8. Hair structure anatomy and comparative anatomy1 1Dedicated to the memory of the late Dr. R. E. Rivett whose untimely death prevented his role in co-authorship. Clinics in dermatology · 2001 · 50 citations
    9. Measuring changes in chemistry, composition, and molecular structure within hair fibers by infrared and Raman spectroscopic imaging Journal of Biomedical Optics · 2011 · 42 citations
    10. The role of disulfide bond formation in the structural transition observed in the intermediate filaments of developing hair Journal of Structural Biology · 2012 · 39 citations
    11. Raman spectroscopy and electronic microscopy structural studies of Caucasian and Afro human hair Heliyon · 2019 · 25 citations
    12. [Systemic therapy of diffuse effluvium and hair structure damage]. PubMed · 1993 · 23 citations
    13. Review of the current understanding of the effect of ultraviolet and visible radiation on hair structure and options for photoprotection International Journal of Cosmetic Science · 2004 · 22 citations
    14. Attenuated Total Reflection Fourier Transform Infrared Spectroscopy Analysis of Human Hair Fiber Structure Applied spectroscopy · 2008 · 19 citations
    15. Structure of intermediate filament assembly in hair deduced from hydration studies using small-angle neutron scattering Journal of structural biology · 2019 · 9 citations
    16. Lipid distribution and influence on hair structure International Journal of Cosmetic Science · 2013 · 6 citations
    17. Investigation of human hair using ToF-SIMS: From structural analysis to the identification of cosmetic residues Journal of vacuum science and technology. B, Nanotechnology & microelectronics · 2018 · 4 citations
    18. Structural behavior of keratin-associated protein 8.1 in human hair as revealed by a monoclonal antibody Journal of Structural Biology · 2018 · 3 citations
    19. Features of structure of external layer of murine hair at different stages of malignant tumor development Journal of Innovative Optical Health Sciences · 2014 · 1 citations
    20. Ultra‐structural hair alterations in Friedreich's ataxia: A scanning electron microscopic investigation Microscopy Research and Technique · 2015 · 1 citations
    21. Effects of Silicone Oil Viscosity on the Physical Structure and Damage Mechanisms of Hair during Permanent Wave Treatment Journal of the Korean Society of Cosmetology · 2026
    22. Thermal Damage, Styling Product Overuse, and Heat Protection Strategies in Professional Hairstyling: An Expert-Based Protocol for Hair Structure Preservation Zenodo (CERN European Organization for Nuclear Research) · 2026
    23. Thermal Damage, Styling Product Overuse, and Heat Protection Strategies in Professional Hairstyling: An Expert-Based Protocol for Hair Structure Preservation Zenodo (CERN European Organization for Nuclear Research) · 2026
    24. Raman Microspectroscopy of Hair Cuticle With Polarized Excitation: Problem of Protein Secondary and Tertiary Structure Journal of Raman Spectroscopy · 2025
    25. Insights into structural and proteomic alterations related to pH‐induced changes and protein deamidation in hair International Journal of Cosmetic Science · 2024
    26. Evaluation of hair surface structure and morphology of patients with lichen planopilaris (LPP) by atomic force microscopy (AFM) Skin Research and Technology · 2024
    27. COMPARATIVE STUDY OF THE EFFECT OF REGENERATION STIMULATION DRUG ON THE STRUCTURE AND RATE OF HAIR GROWTH IN WHITE RATS Siberian Journal of Life Sciences and Agriculture · 2024
    28. Evaluation of Surface Structure and Morphological Phenomena of Caucasian Virgin Hair with Atomic Force Microscopy Medicina · 2024
    29. Insights on the Hair Keratin Structure Under Different Drying Conditions Journal of Natural Fibers · 2023
    30. Impact of Personal Care Products on Tensile Strength and Structure of Hair Minds at UW (University of Wisconsin) · 2023