Topical Application of Standardized Capsicum and Rosemary Extracts Promotes Hair Growth in Testosterone-Induced Alopecia in Wistar Rats: Histological and Morphometric Evaluation

    May 2025 in “ Indian Journal of Pharmacology ”
    Alaa Eid, Dalia A. Al‐Mahdy, Rabab H. Sayed … Hesham I. El‐Askary
    Studysummary In this study, researchers reported that standardized rosemary and capsicum extracts significantly improved hair growth parameters such as follicle density, length, and diameter in rats with testosterone-induced alopecia, suggesting these extracts may aid in more effective natural treatments for androgenetic alopecia.
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    Research cited in this study 10

    1. Evaluation of Hair Growth Promoting Activity of Standardized Soybean Extract on Testosterone-Induced Alopecia Journal of Medicinal Food · 2025
    2. Insights Into Alopecia Areata: A Systematic Review Of Prevalence, Pathogenesis, And Psychological Consequences ˜The œOpen dermatology journal · 2024
    3. Pathogenesis of Androgenetic Alopecia 2022
    4. Treatment Options for Androgenetic Alopecia: Efficacy, Side Effects, Compliance, Financial Considerations, and Ethics Journal of Cosmetic Dermatology · 2021
    5. Anti-Androgenetic Alopecia Effect of Policosanol from Chinese Wax by Regulating Abnormal Hormone Levels to Suppress Premature Hair Follicle Entry into the Regression Phase Biomedicine & Pharmacotherapy · 2021
    6. Hormonal Effects on Hair Follicles International journal of molecular sciences · 2020
    7. Protective Role of Nutritional Plants Containing Flavonoids in Hair Follicle Disruption: A Review International Journal of Molecular Sciences · 2020
    8. Oxidative Stress Management in the Hair Follicle: Could Targeting NRF2 Counter Age-Related Hair Disorders and Beyond? BioEssays · 2017
    9. Promotion of Hair Growth by Rosmarinus Officinalis Leaf Extract Phytotherapy Research · 2012
    10. The Effect of Coapplication of Capsaicin and Minoxidil on Murine Hair Growth Journal of Clinical Dermatology · 2003