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    Glossary Penetration

    ability of a substance to pass through skin or hair

    Penetration, in the context of hair and scalp treatments, refers to the ability of a substance to pass through the outer layer of the skin or hair shaft to reach deeper layers. This is crucial for the effectiveness of topical treatments, such as minoxidil for hair growth, as it ensures that active ingredients can reach the hair follicles where they exert their effects.

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    1. Penetration Profile of Microspheres in Follicular Targeting of Terminal Hair Follicles 2004 · 316 citations
    2. Penetration of drugs through skin, a complex rate-controlling membrane 2012 · 211 citations
    3. Penetration enhancer-containing vesicles (PEVs) as carriers for cutaneous delivery of minoxidil International Journal of Pharmaceutics · 2009 · 128 citations
    4. Penetration and storage of particles in human skin: Perspectives and safety aspects European Journal of Pharmaceutics and Biopharmaceutics · 2011 · 122 citations
    5. Penetration of silver nanoparticles into porcine skin<i>ex vivo</i>using fluorescence lifetime imaging microscopy, Raman microscopy, and surface-enhanced Raman scattering microscopy Journal of Biomedical Optics · 2014 · 90 citations
    6. Penetration and distribution of three lipophilic probes in vitro in human skin focusing on the hair follicle Journal of controlled release · 2002 · 54 citations
    7. Penetration and Local Effect of Vitamin A on the Skin of the Guinea Pig., Experimental Biology and Medicine · 1954 · 45 citations
    8. Follicular Penetration of Caffeine from Topically Applied Nanoemulsion Formulations Containing Penetration Enhancers: In vitro Human Skin Studies Skin pharmacology and physiology · 2018 · 35 citations
    9. Penetration of Minoxidil from Ethanol/Propylene Glycol Solutions: Effect of Application Volume and Occlusion Journal of Pharmaceutical Sciences · 1995 · 33 citations
    10. Lipid nanoparticles for topical and transdermal application for alopecia treatment: development, physicochemical characterization, and in vitro release and penetration studies International Journal of Nanomedicine · 2014 · 28 citations
    11. Penetration enhancer-containing vesicles (PEVs) as carriers for cutaneous delivery of minoxidil:<i>in vitro</i>evaluation of drug permeation by infrared spectroscopy Pharmaceutical Development and Technology · 2012 · 26 citations
    12. Penetration Enhancement of Topical Formulations Pharmaceutics · 2018 · 22 citations
    13. The Penetration Enhancer SEPA<sup>TM</sup> Augments Stimulation of Scalp Hair Growth by Topical Minoxidil in the Balding Stumptail Macaque Skin Pharmacology and Physiology · 2009 · 16 citations
    14. Effect of Tocopheryl Polyethylene Glycol Succinate on the Percutaneous Penetration of Minoxidil from Water/Ethanol/Polyethylene Glycol 400 Solutions Drug development and industrial pharmacy · 2006 · 11 citations
    15. Penetration profile and human cadaver skin distribution of finasteride from vesicular nanocarriers Drug Delivery · 2013 · 9 citations
    16. The penetration efficiency of a dissolved model drug into hair follicles depends on the concentration of added nanoparticles Drug Delivery and Translational Research · 2024 · 7 citations
    17. Penetration of different molecular weight hydrolysed keratins into hair fibres and their effects on the physical properties of textured hair International Journal of Cosmetic Science · 2020 · 7 citations
    18. A highly resistant structure between the cuticle and the cortex of human hair. II. CARB, a penetration barrier International Journal of Cosmetic Science · 2018 · 6 citations
    19. Penetration of cationic conditioning compounds into hair fibers: A TOF‐SIMS approach International Journal of Cosmetic Science · 2006 · 2 citations
    20. Penetration and Distribution in Human Skin Focusing on the Hair Follicle Drugs and the pharmaceutical sciences · 2005 · 1 citations
    21. Penetration and Distribution in Human Skin Focusing on the Hair Follicle CRC Press eBooks · 2005 · 1 citations
    22. SPACE-Peptide succesfully improves dermis penetration of amniotic membrane stem cell metabolite product as antiaging JURNAL ILMU KEFARMASIAN INDONESIA · 2026
    23. Penetration of oils into hair International Journal of Cosmetic Science · 2024
    24. Impact of Hair Damage on the Penetration Profile of Coconut, Avocado, and Argan Oils into Caucasian Hair Fibers Cosmetics · 2024
    25. Lipid nanoparticles for topical and transdermal application for alopecia treatment: development, physicochemical characterization, and in vitro release and penetration studies DOAJ (DOAJ: Directory of Open Access Journals) · 2014
    26. Ethnische Unterschiede in der Hautphysiologie, Haarfollikelmorphologie und follikulären Penetration von topisch applizierten Substanzen 2012
    27. Follicular Penetration of Topically Applied Caffeine via a Shampoo Formulation Skin Pharmacology and Physiology · 2007 · 93 citations
    28. Cutaneous Permeation and Penetration of Sunscreens: Formulation Strategies and In Vitro Methods Cosmetics · 2017 · 79 citations
    29. Measurement of Skin Permeation/Penetration of Nanoparticles for Their Safety Evaluation Biological and Pharmaceutical Bulletin · 2012 · 67 citations
    30. Percutaneous penetration of hair dyes Archives of dermatological research · 1985 · 66 citations