Evaluation of Human Hair Absorption and Retention

    October 2025 in “ Clinical Cosmetic and Investigational Dermatology ”
    June Yun, Song Hee Kim, Yong Sup Lee, Keun Hyung Park
    Studysummary This study found that hair treated with a supplemental hair care product showed significantly higher absorption, deeper penetration, and reduced dryness compared to untreated and water-treated hair, as measured with 3D Raman spectroscopy.
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    Research cited in this study 11

    1. Role and Mechanisms of Phytochemicals in Hair Growth and Health Pharmaceuticals · 2023
    2. Investigation of pH Effect on Cationic Solute Binding to Keratin and Partition to Hair International Journal of Cosmetic Science · 2017
    3. Genetically Induced Cell Death in Bulge Stem Cells Reveals Their Redundancy for Hair and Epidermal Regeneration Stem Cells · 2014
    4. Hair Shafts in Trichoscopy Dermatologic Clinics · 2013
    5. Development of a Novel Penetration-Enhancing Agent for Hair Products Journal of cosmetics, dermatological sciences and applications · 2013
    6. Nutrition and Hair: The Role of Nutrients in Hair Health Dermatologic Clinics · 2012
    7. Hair Weathering And Hair Capacitance Mapping: A Pilot Study Journal of Cosmetic Dermatology · 2012
    8. Hair Shaft Damage from Heat and Drying Time of Hair Dryer Annals of dermatology/Annals of Dermatology · 2011
    9. 6-O Glucose Linoleate Supports In Vitro Human Hair Growth and Lipid Synthesis International Journal of Cosmetic Science · 2007
    10. Investigation of Dyed Human Hair Fibers Using Apertureless Near-Field Scanning Optical Microscopy Journal of Microscopy · 2006
    11. Nutritional Factors and Hair Loss Clinical and Experimental Dermatology · 2002