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    Glossary pyrrolidone carboxylic acid

    naturally occurring compound that helps maintain skin moisture

    Pyrrolidone carboxylic acid, also known as PCA, is a naturally occurring compound found in the skin that helps maintain moisture. It is a derivative of the amino acid glutamic acid and is often used in skincare and haircare products for its hydrating properties, as it can attract and retain water effectively.

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    Research 30 of 217

    1. Interest of an anti-hair loss serum containing Silybum marianum extract, manganese pyrrolidone carboxylic acid (PCA), and a Lespedeza capitata extract in the management of post-cancer treatment alopecia: an international real-world study EJC Skin Cancer · 2026
    2. Hair and amino acids: the interactions and the effects. PubMed · 2007 · 5 citations
    3. ESDR586 - Interest of Silybum marianum extract, Manganese PCA and Lespedeza capitata extract in a new anti-hair loss serum to stimulate hair growth and prolong anagen phase 2022
    4. New Plant Extracts Exert Complementary Anti‐Hair Loss Properties in Human In Vitro and Ex Vivo Models Journal of Cosmetic Dermatology · 2024
    5. Molecular characterization of xerosis cutis: A systematic review PLoS ONE · 2021 · 33 citations
    6. Allergens and Irritants WORLD SCIENTIFIC eBooks · 2001
    7. Modulatory role of vitamins A, B3, C, D, and E on skin health, immunity, microbiome, and diseases Pharmacological Reports · 2023 · 47 citations
    8. Resveratrol derivatives: a patent review (2009 – 2012) Expert Opinion on Therapeutic Patents · 2013 · 28 citations
    9. Physiological and pharmacological features of the non-saponin components in Korean Red Ginseng Journal of Ginseng Research · 2020 · 67 citations
    10. Amino acid–derived defense metabolites from plants: A potential source to facilitate novel antimicrobial development Journal of Biological Chemistry · 2021 · 69 citations
    11. Biopolymer-Based Hydrogels for Wound Healing: Advances in Cellulose, Chitosan, Alginate, and Hyaluronic Acid from Design to Clinical Translation Pharmaceuticals · 2026
    12. Polyglutamate: Unleashing the Versatility of a Biopolymer for Cosmetic Industry Applications Cosmetics · 2024
    13. From Plants to Wound Dressing and Transdermal Delivery of Bioactive Compounds Plants · 2023
    14. Ectoin attenuates cortisone‐induced skin issues by suppression GR signaling and the UVB‐induced overexpression of 11β‐HSD1 Journal of Cosmetic Dermatology · 2024
    15. Trends in biopolymer science applied to cosmetics International Journal of Cosmetic Science · 2023
    16. Cosmetics and Cosmeceutical Applications of Chitin, Chitosan and Their Derivatives Polymers · 2018 · 233 citations
    17. Miscellaneous Steroids 2010
    18. The Pharma Market as Reflected by Patents Drug Research · 2011
    19. Atlas of Geriatric Dermatology Springer eBooks · 2014 · 2 citations
    20. Hair Tonic Formulation Containing Ethyl Acetate Fraction of Sweet Potato (Ipomoea batatas (L.) Lamk) Leaves and In Vitro Anti-Dandruff Activity Test against Malassezia Furfur 2024
    21. Development of fluridil, a topical suppressor of the androgen receptor in androgenetic alopecia Drug Development Research · 2003 · 5 citations
    22. Transcriptomics analysis reveals molecular alterations underpinning spaceflight dermatology Communications Medicine · 2024 · 7 citations
    23. Plant Extracts in Skin Care Products 2018 · 5 citations
    24. Potential herbs for treatment of dandruff: A review International Journal of Herbal Medicine · 2025
    25. A Comprehensive Review on Current and Future Trends of Nanoemulsions in Modern Cosmetics and Pharmaceuticals International Journal of Advanced Science and Engineering · 2025 · 2 citations
    26. Menopausal Acne – Challenges And Solutions International Journal of Women's Health · 2019 · 14 citations
    27. Recent advances in oxasteroids chemistry Steroids · 2007 · 41 citations
    28. Phytochemical studies on traditional herbal medicines based on the ethnopharmacological information obtained by field studies Journal of Natural Medicines · 2021 · 9 citations
    29. Diagnosis of Polycystic Ovary Syndrome using Free Testosterone levels via Surface Enhanced Raman Spectroscopy Induced by Gold Nanostar Iraqi Journal of Laser · 2024 · 2 citations
    30. Structure and Function of the Skin Elsevier eBooks · 2009 · 6 citations