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    Geographic Influence and Metabolomics-Driven Discovery of 5-Alpha Reductase Inhibitors in Tectona Grandis L.f. (Teak) Leaves

    July 2025 in “ Molecules ”
    Nutchaninad Tanuphol, C. Girard, Prapapan Temkitthawon … Kornkanok Ingkaninan
    Studysummary This study found that teak leaf extract can be effective in promoting hair growth in males with androgenic alopecia; however, significant variability in steroid 5-alpha reductase inhibitory activity among samples from different geographic origins means quality control is important for consistent therapeutic potential.
    Automatically generated from the study's abstract, not written by a person, and not a review of the full paper. Not medical advice or a treatment recommendation. Read the original study, and consult a qualified healthcare professional before changing treatment. Full disclaimer
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    Research cited in this study 8

    1. In Vitro Skin Penetration of 5α-Reductase Inhibitors from Tectona Grandis Leaf Extracts Molecules · 2025
    2. Effectiveness and Safety of Hair Growth Formulation Containing Tectona Grandis L.f (Teak) Leaf Extract: A Randomized, Double-Blind, Placebo-Controlled Study on Males with Androgenic Alopecia Journal of Evidence-Based Integrative Medicine · 2024
    3. Isolation and HPLC Quantitative Determination of 5α-Reductase Inhibitors from Tectona Grandis Leaf Extract Molecules · 2022
    4. 5-Alpha Reductase Inhibitors in Androgenetic Alopecia: Shifting Paradigms, Current Concepts, Comparative Efficacy, and Safety Dermatologic Therapy · 2020
    5. A Hypothetical Pathogenesis Model for Androgenic Alopecia: Clarifying the Dihydrotestosterone Paradox and Rate-Limiting Recovery Factors Medical Hypotheses · 2017
    6. Anti-Androgenic Curcumin Analogues as Steroid 5-Alpha Reductase Inhibitors Medicinal Chemistry Research · 2017
    7. A New Label-Free Screen for Steroid 5α-Reductase Inhibitors Using LC-MS Steroids · 2016
    8. An Overview on 5α-Reductase Inhibitors Steroids · 2009