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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. Evaluation of hair growth 2008
    2. Utility of Horizontal Sections of Scalp Biopsies in Differentiating between Androgenetic Alopecia and Alopecia Areata Dermatology · 2018 · 3 citations
    3. Permanent Alopecia After Systemic Chemotherapy: A Clinicopathological Study of 10 Cases The American Journal of Dermatopathology · 2011 · 57 citations
    4. Objective evaluation of photoepilation by phototrichogram Journal of dermatology · 2010 · 1 citations
    5. A practical guide for the treatment of dandruff and seborrheic dermatitis Journal of The American Academy of Dermatology · 2004 · 5 citations
    6. Experimental models to investigate the efficacy and bioequivalence of low dose topical corticoids Journal of The American Academy of Dermatology · 2004
    7. Transverse Sections for Diagnosis of Alopecia? The American Journal of Dermatopathology · 2005 · 24 citations
    8. Non-Neoplastic Disorders of Hair Elsevier eBooks · 2010
    9. Hair Counts from Normal Scalp Biopsy in Taiwan Dermatologic Surgery · 2012 · 24 citations
    10. Supplementary Material for: Utility of Horizontal Sections of Scalp Biopsies in Differentiating between Androgenetic Alopecia and Alopecia Areata Figshare · 2018
    11. TrichoScan: A Novel Tool For The Analysis of Hair Growth In Vivo Journal of Investigative Dermatology Symposium Proceedings · 2003 · 70 citations
    12. Prospective Efficacy and Safety Study of an Innovative Kerascalp Hair Growth Serum in Mild-to-Moderate Alopecia in India: Regrowth Study Cureus · 2023
    13. Usefulness of PRP Therapy in Androgenic Alopecia European journal of medical and health sciences · 2021
    14. Reply to: Is melatonin useful in alopecia: critical appraisal of a randomized trial? 2005
    15. Transcutaneous application of ultrasound enhances the effects of finasteride in murine model of androgenic alopecia Ultrasonography · 2021 · 1 citations
    16. Fluridil, a Rationally Designed Topical Agent for Androgenetic Alopecia: First Clinical Experience Dermatologic Surgery · 2002 · 17 citations
    17. LB808 A humanized mouse model of androgenetic alopecia (AGA) shows that platelet-rich plasma (PRP) stimulates hair regrowth Journal of Investigative Dermatology · 2021
    18. 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
    19. Fluridil, a Rationally Designed Topical Agent for Androgenetic Alopecia Dermatologic Surgery · 2002
    20. Short anagen syndrome in an African American woman Journal of The American Academy of Dermatology · 2010 · 10 citations
    21. Unveiling a Shared Precursor Condition for Acne Keloidalis Nuchae and Primary Cicatricial Alopecias Clinical, Cosmetic and Investigational Dermatology · 2023 · 1 citations
    22. 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
    23. 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
    24. Histological and Trichographic Differences Between Coat Types in Non‐Alopecic Pomeranians and With Alopecia X Veterinary Dermatology · 2026
    25. 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
    26. Integrated analysis of lncRNAs and mRNAs by RNA-Seq in secondary hair follicle development and cycling (anagen, catagen and telogen) of Jiangnan cashmere goat (Capra hircus) BMC Veterinary Research · 2022 · 24 citations
    27. Efficacy of topical tofacitinib in promoting hair growth in non-scarring alopecia: possible mechanism via VEGF induction Archives of Dermatological Research · 2017 · 27 citations
    28. Foot shock stress prolongs the telogen stage of the spontaneous hair cycle in a non‐depilated mouse model Experimental Dermatology · 2007 · 31 citations
    29. Characteristic features of Japanese women's hair with aging and with progressing hair loss Journal of Dermatological Science · 2006 · 76 citations
    30. Histopathology of non-scarring alopecia Journal of Cutaneous Pathology · 1995 · 122 citations