Analysis of the Penetration of a Caffeine Containing Shampoo Into the Hair Follicles by In Vivo Laser Scanning Microscopy

    December 2009 in “ Laser Physics ”
    Jürgen Lademann, Heike Richter, Sabine Schanzer … Alexa Patzelt
    Studysummary This study observed that caffeine-containing shampoo can penetrate hair follicles to a depth of approximately 200 μm and remains detectable even after 24 hours, suggesting a potential long-term reservoir effect.
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    Research cited in this study 7

    1. The Role of Hair Follicles in the Percutaneous Absorption of Caffeine BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology · 2007
    2. Topical Delivery of Retinyl Ascorbate Skin Pharmacology and Physiology · 2007
    3. Investigation of the Penetration and Storage of a Shampoo Formulation Containing Caffeine into the Hair Follicles by In Vivo Laser Scanning Microscopy Laser Physics Letters · 2007
    4. Follicular Penetration of Topically Applied Caffeine via a Shampoo Formulation Skin Pharmacology and Physiology · 2007
    5. Effect of Caffeine and Testosterone on the Proliferation of Human Hair Follicles In Vitro International Journal of Dermatology · 2007
    6. Investigation of Differences in Follicular Penetration of Particle- and Nonparticle-Containing Emulsions by Laser Scanning Microscopy Laser Physics · 2006
    7. Variations of Hair Follicle Size and Distribution in Different Body Sites Journal of Investigative Dermatology · 2004