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    Did you mean Anagen/Telogen Ratio?
    Glossary Anagen/Telogen Ratio

    measure of hair follicles in growth vs. resting phases

    The Anagen/Telogen Ratio is a measure used to assess hair growth and health by comparing the number of hair follicles in the anagen (growth) phase to those in the telogen (resting) phase. A higher ratio indicates a greater proportion of actively growing hair, which is typically a sign of healthy hair growth, while a lower ratio may suggest hair loss or a disruption in the hair growth cycle.

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    1. A 2% Oleosome-FGF-2 Fusion Extract Scalp Serum Improves Photo-trichogramDerived Hair Density, Anagen/Telogen Ratio, Hair Shaft Thickness, and Scalp Barrier Parameters in Women with Shedding-Prone Hair: A Randomized, SingleBlind, Placebo-Controlled Pilot Study International Journal of Clinical & Experimental Dermatology · 2026
    2. Comparison of Hair Follicle Density and Anagen:Telogen Ratio between Topical Minoxidil Alone and Its Combination with Platelet-Rich Plasma Exosomes in a Mice Model of Androgenetic Alopecia Malaysian Journal of Medicine and Health Sciences · 2026
    3. Effects of platelet-rich plasma application on hair follicle count, telogen/anagen ratio, and miniaturized hair ratio in patients with androgenic alopecia: alone or in combination with other treatments Journal of Dermatological Treatment · 2025
    4. Telogen effluvium Clinical and Experimental Dermatology · 2002 · 144 citations
    5. Promotion of anagen, increased hair density and reduction of hair fall in a clinical setting following identification of FGF5-inhibiting compounds via a novel 2-stage process Clinical, Cosmetic and Investigational Dermatology · 2017 · 27 citations
    6. Fluridil, a Rationally Designed Topical Agent for Androgenetic Alopecia: First Clinical Experience Dermatologic Surgery · 2002 · 17 citations
    7. A proprietary herbal extract against hair loss in androgenetic alopecia and telogen effluvium: a placebo-controlled, single-blind, clinical-instrumental study Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.) · 2018 · 1 citations
    8. Recovery Effects of Oral Supplementation with Polar Lipid-Rich Wheat Extracts on Acute Telogen Effluvium: A Randomized Double-Blind Placebo-Controlled Study Clinical Cosmetic and Investigational Dermatology · 2025
    9. Fluridil, a Rationally Designed Topical Agent for Androgenetic Alopecia Dermatologic Surgery · 2002
    10. Postpartum telogen effluvium Journal of the European Academy of Dermatology and Venereology · 2015 · 7 citations
    11. A stain for plucked anagen hairs Journal of The American Academy of Dermatology · 1979 · 17 citations
    12. Finasteride increases anagen hair in men with androgenetic alopecia British Journal of Dermatology · 2000 · 129 citations
    13. Amaranthus Extract Promotes Healthy Follicles and Anagen Hair Density-A Randomized Placebo-Controlled, Double-Blinded Study. PubMed · 2025
    14. LB1010 Ashwagandha-derived exosome-like nanoparticles significantly promote human hair growth ex vivo and in vivo by stimulating the production of the anagen promoting growth factor VEGF-A Journal of Investigative Dermatology · 2024
    15. Effects of the RV3466F lotion on female telogen effluvium: Results from a 16 week, multi-centric, controlled, randomized trial Journal of The American Academy of Dermatology · 2019
    16. A Novel, Drinkable Food Supplement Formulation Reduces Hair Shedding and Increases the Percentage of Anagen Scalp Hair Follicles in Females with Hair Loss Journal of Clinical Medicine · 2025
    17. Efficacy and Safety of a Drinkable Nutraceutical in Premenopausal Women with Telogen Effluvium: A 6-Month, Randomized, Multicenter, Double-Blind, Placebo-Controlled Study Dermatology and Therapy · 2025
    18. Histopathologic Evaluation of Alopecias The American Journal of Dermatopathology · 2006 · 90 citations
    19. TrichoScan: A Novel Tool For The Analysis of Hair Growth In Vivo Journal of Investigative Dermatology Symposium Proceedings · 2003 · 70 citations
    20. Effect of<i>Cuscuta reflexa</i>Roxb on androgen-induced alopecia Journal of Cosmetic Dermatology · 2008 · 63 citations
    21. A comparison of vertical versus transverse sections in the evaluation of alopecia biopsy specimens Journal of The American Academy of Dermatology · 2005 · 56 citations
    22. Hair diameter diversity: a clinical sign reflecting the follicle miniaturization. PubMed · 2001 · 41 citations
    23. TrichoScan: combining epiluminescence microscopy with digital image analysis for the measurement of hair growth in vivo. PubMed · 2001 · 31 citations
    24. TrichoScan Der Hautarzt · 2002 · 28 citations
    25. Hair growth promoting effect of white wax and policosanol from white wax on the mouse model of testosterone-induced hair loss Biomedicine & Pharmacotherapy · 2017 · 27 citations
    26. Transverse Sections for Diagnosis of Alopecia? The American Journal of Dermatopathology · 2005 · 24 citations
    27. Platelet-Rich Plasma in Combination With 5% Minoxidil Topical Solution and 1 mg Oral Finasteride for the Treatment of Androgenetic Alopecia: A Randomized Placebo-Controlled, Double-Blind, Half-Head Study Dermatologic Surgery · 2017 · 19 citations
    28. The histopathology of alopecia areata in vertical and horizontal sections Dermatologic Therapy · 2001 · 19 citations
    29. Effect of<i>Citrullus colocynthis</i>. on Hair Growth in Albino Rats Pharmaceutical Biology · 2007 · 18 citations
    30. Effect of Adiantum Capillus veneris Linn on an Animal Model of Testosterone-Induced Hair Loss. PubMed · 2014 · 13 citations