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    Synthesis of a New Amino Acid Derivative with Long-Lasting Hair Shape Control Effects and Elucidation of Its Mechanisms

    February 2025 in “ International Journal of Cosmetic Science ”
    Sotaro Sato, Hiroyasu Tabuchi, Kohtaro Katayama … Yoshio Tsujino
    Studysummary This study found that treating hair with ATS, formed from fumaric acid and cysteamine, effectively improved hair quality by increasing moisture content and altering the internal structure of strong curls.
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    Research cited in this study 11

    1. Impact of Acid (Progressive Brush) and Alkaline Straightening on the Hair Fiber: Differential Effects on the Cuticle and Cortex Properties International journal of trichology · 2022
    2. Straight to the Point: What Do We Know So Far on Hair Straightening? Skin appendage disorders · 2021
    3. Mechanical Characterization of Curly Hair: Influence of Nonconventional Hair Straightening Treatments Skin Research and Technology · 2017
    4. Formaldehyde Replacement with Glyoxylic Acid in Semipermanent Hair Straightening: A New and Multidisciplinary Investigation International Journal of Cosmetic Science · 2014
    5. Brazilian Keratin Hair Treatment: A Review Journal of cosmetic dermatology · 2013
    6. Chemical Reactions in Curing Treatment for Permanent Hair Straightening Using Thioglycolic and Dithioglycolic Acids Sen'i Gakkaishi · 2009
    7. Cortical Cell Types and Intermediate Filament Arrangements Correlate with Fiber Curvature in Japanese Human Hair Journal of structural biology · 2008
    8. Structural Analysis of Human Hair Single Fibers by Scanning Microbeam SAXS Journal of Structural Biology · 2006
    9. Friction and Wear Studies of Human Hair and Skin Wear · 2005
    10. Organization of Microfibrils in Keratin Fibers Studied by X-Ray Scattering Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology · 1998
    11. Mechanism of Hair Straightening 1994