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    Glossary 18-Methyleicosanoic Acid

    fatty acid crucial for hair's water-repelling outer layer

    18-Methyleicosanoic Acid (18-MEA) is a fatty acid that is a key component of the outermost layer of human hair. It helps to provide hair with its hydrophobic (water-repelling) properties, which protect the hair shaft from damage and maintain its natural shine and smoothness.

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    1. Metabolomic analysis of amino acids and lipids in human hair altered by dyeing, perming and bleaching Experimental Dermatology · 2016 · 24 citations
    2. Degradation of Hair Surface: Importance of 18-MEA and Epicuticle Cosmetics · 2019 · 25 citations
    3. Biomimetics through bioconjugation of 16-methylheptadecanoic acid to damaged hair for hair barrier recovery Scientific Reports · 2024 · 4 citations
    4. ATOMISTIC CHARACTERIZATION OF HEALTHY AND DAMAGED HAIR SURFACES: A MOLECULAR DYNAMICS STUDY OF FATTY ACIDS ON PROTEIN LAYER ChemBioChem · 2024
    5. Biomimetics Through Bioconjugation of 16- Methylheptadecanoic Acid to Damaged Hair for Hair Barrier Recovery Research Square (Research Square) · 2024
    6. Deposition of 18-MEA onto Damaged Hair to Form a Persistent Hydrophobicity Journal of Society of Cosmetic Chemists of Japan · 2011
    7. Chronological ageing of human hair keratin fibres International Journal of Cosmetic Science · 2010 · 49 citations
    8. A systematic method for the sensitive and specific determination of hair lipids in combination with chromatography Journal of Chromatography B · 2005 · 43 citations
    9. Characterization of the lipid composition at the proximal root regions of human hair International Journal of Cosmetic Science · 2005 · 41 citations
    10. Integral hair lipid in human hair follicle Journal of dermatological science · 2011 · 36 citations
    11. Deletion of the <i>Sox21</i> gene drastically affects hair lipids Experimental Dermatology · 2012 · 2 citations
    12. Known and Unknown Features of Hair Cuticle Structure: A Brief Review Cosmetics · 2019 · 27 citations
    13. Investigation of the damage on the outermost hair surface using ToF‐SIMS and XPS Surface and interface analysis · 2011 · 25 citations
    14. ToF‐SIMS characterization of the lipid layer on the hair surface. I: the damage caused by chemical treatments and UV radiation Surface and interface analysis · 2010 · 23 citations
    15. Delipidisation of wool fibres and the subsequent beneficial properties of delipidised wool fibres Coloration Technology · 2025
    16. Structural analysis of the outermost hair surface using TOF-SIMS with gas cluster ion beam sputtering Biointerphases · 2016 · 11 citations
    17. Features of the fatty acid profile of down and guard fibers of felted wool of the Ukrainian Carpathian Mountain sheep breed Scientific Reports · 2026
    18. 土-P4-517 がん化学療法レジメン管理における薬剤師の関与に対する検討(がん薬物療法(レジメン管理と運用),ポスター発表,一般演題,再興、再考、創ろう最高の医療の未来) 日本医療薬学会年会講演要旨集 · 2013
    19. Exploring the effects of wetting and free fatty acid deposition on an atomistic hair fiber surface model incorporating Keratin Associated Protein 5-1 2022
    20. Influence of Amino Acids on the Hair Structure Before and During Chemical Treatments Universal library of medical and health sciences. · 2025
    21. Linking diet to acne metabolomics, inflammation, and comedogenesis: an update Clinical, Cosmetic and Investigational Dermatology · 2015 · 138 citations
    22. Docosahexaenoic acid slows inflammation resolution and impairs the quality of healed skin tissue Clinical Science · 2019 · 8 citations
    23. Hair Follicular Expression and Function of Group X Secreted Phospholipase A2 in Mouse Skin Journal of Biological Chemistry · 2011 · 35 citations
    24. Straight to the Point: What Do We Know So Far on Hair Straightening? Skin appendage disorders · 2021 · 4 citations
    25. Exploring the neural mechanisms of finasteride: a proteomic analysis in the nucleus accumbens Psychoneuroendocrinology · 2016 · 14 citations
    26. Thermal Induced Changes in Cuticle and Cortex to Chemically Treated Hair Biopolymers · 2025
    27. Copper Modulates Mitochondrial Oxidative Phosphorylation to Enhance Dermal Papilla Cells Proliferation in Rex Rabbits International Journal of Molecular Sciences · 2022 · 12 citations
    28. Fatty acids and related lipid mediators in the regulation of cutaneous inflammation Biochemical Society Transactions · 2018 · 28 citations
    29. Epoxy Fatty Acids and Inhibition of the Soluble Epoxide Hydrolase Selectively Modulate GABA Mediated Neurotransmission to Delay Onset of Seizures PLoS ONE · 2013 · 60 citations
    30. Chronic inflammatory diseases are stimulated by current lifestyle: how diet, stress levels and medication prevent our body from recovering Nutrition & Metabolism · 2012 · 119 citations