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    Glossary Anagen Hair Ratio

    proportion of hair follicles in the active growth phase

    The Anagen Hair Ratio refers to the proportion of hair follicles that are in the anagen phase, which is the active growth phase of the hair cycle. A higher anagen hair ratio indicates a greater number of hair follicles are actively growing, which is typically a sign of healthy hair growth. This ratio is often used by dermatologists and trichologists to assess hair health and diagnose conditions like alopecia.

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    Research 30 of 1000+

    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. Pathogenetic Rationale for the Use of Exosomes Derived from Salmon Tissue in Patients with Androgenetic Alopecia: A Prospective Uncontrolled Observational Study Russian Journal of Skin and Venereal Diseases · 2026
    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. A stain for plucked anagen hairs Journal of The American Academy of Dermatology · 1979 · 17 citations
    7. Fluridil, a Rationally Designed Topical Agent for Androgenetic Alopecia: First Clinical Experience Dermatologic Surgery · 2002 · 17 citations
    8. Fluridil, a Rationally Designed Topical Agent for Androgenetic Alopecia Dermatologic Surgery · 2002
    9. 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
    10. Finasteride increases anagen hair in men with androgenetic alopecia British Journal of Dermatology · 2000 · 129 citations
    11. Amaranthus Extract Promotes Healthy Follicles and Anagen Hair Density-A Randomized Placebo-Controlled, Double-Blinded Study. PubMed · 2025
    12. Effect of mycophenolic acid on proliferation of dermal papilla cells and induction of anagen hair follicles Clinical and experimental dermatology · 2015 · 16 citations
    13. 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
    14. Objective evaluation of photoepilation by phototrichogram Journal of dermatology · 2010 · 1 citations
    15. Trichology to predict efficacy of scalp cooling: New pathologic insights besides encouraging clinical results. Journal of clinical oncology · 2024
    16. The Effectiveness of Medicated Hair Tonic Containing Royal Jelly Extract Journal of Society of Cosmetic Chemists of Japan · 2024
    17. Phototrichogram 을 이용한 한국인 두피 모발 특성의 정량적 분석 대한피부과학회지 · 2002
    18. Permanent Alopecia After Systemic Chemotherapy: A Clinicopathological Study of 10 Cases The American Journal of Dermatopathology · 2011 · 57 citations
    19. Characteristic features of Japanese women's hair with aging and with progressing hair loss Journal of Dermatological Science · 2006 · 76 citations
    20. An analysis of canine hair re‐growth after clipping for a surgical procedure Veterinary dermatology · 2004 · 20 citations
    21. Postpartum telogen effluvium Journal of the European Academy of Dermatology and Venereology · 2015 · 7 citations
    22. Quantification of female pattern hair loss: a study in a Turkish population. PubMed · 2007 · 7 citations
    23. TrichoScan as a method to determine hair root pattern in patients with scalp psoriasis. PubMed · 2010 · 6 citations
    24. Comparative Study of a Topical and Oral Combination Therapy Containing Oleanolic Acid, Apigenin, and Biotinyl Tripeptide-1 in Patients with Androgenetic Alopecia: A Prospective, Open-Label Trial Cosmetics · 2025
    25. Evaluation of Hair Growth Promoting Activity of Sansevieria Trifasciata P. on Alopecia Androgenic Rabbit Male International journal of pharmaceutical research · 2021
    26. Telogen effluvium Clinical and Experimental Dermatology · 2002 · 144 citations
    27. Histopathologic Evaluation of Alopecias The American Journal of Dermatopathology · 2006 · 90 citations
    28. TrichoScan: A Novel Tool For The Analysis of Hair Growth In Vivo Journal of Investigative Dermatology Symposium Proceedings · 2003 · 70 citations
    29. Effect of<i>Cuscuta reflexa</i>Roxb on androgen-induced alopecia Journal of Cosmetic Dermatology · 2008 · 63 citations
    30. A comparison of vertical versus transverse sections in the evaluation of alopecia biopsy specimens Journal of The American Academy of Dermatology · 2005 · 56 citations