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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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    1. pyrrolidone carboxylic acid

    Research 10 of 207

    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. Physiological and pharmacological features of the non-saponin components in Korean Red Ginseng Journal of Ginseng Research · 2020 · 67 citations
    9. Amino acid–derived defense metabolites from plants: A potential source to facilitate novel antimicrobial development Journal of Biological Chemistry · 2021 · 69 citations
    10. Biopolymer-Based Hydrogels for Wound Healing: Advances in Cellulose, Chitosan, Alginate, and Hyaluronic Acid from Design to Clinical Translation Pharmaceuticals · 2026
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