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    Did you mean Terminal to Vellus Hair Ratio?
    Glossary Terminal to Vellus Hair Ratio

    proportion of thick hairs to fine hairs on the scalp

    The Terminal to Vellus Hair Ratio refers to the proportion of thick, pigmented hairs (terminal hairs) to fine, short, and lightly pigmented or non-pigmented hairs (vellus hairs) on the scalp or other parts of the body. This ratio is often used in the diagnosis and monitoring of hair loss conditions like androgenetic alopecia, where a decrease in the ratio indicates a shift from terminal to vellus hair, signifying hair thinning and miniaturization.

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    Research 10 of 1000+

    1. 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
    2. 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
    3. Follicular miniaturization in female pattern hair loss: clinicopathological correlations British Journal of Dermatology · 2006 · 100 citations
    4. Histopathologic features of alopecia areata incognito: a review of 46 cases Journal of Cutaneous Pathology · 2012 · 34 citations
    5. Occipital involvement in female pattern hair loss: histopathological evidences Journal of The European Academy of Dermatology and Venereology · 2009 · 20 citations
    6. The histopathology of alopecia areata in vertical and horizontal sections Dermatologic Therapy · 2001 · 19 citations
    7. Clinical, trichoscopic, and histopathologic characteristics of patients with alopecia and hypothyroidism: An observational study Journal of The American Academy of Dermatology · 2018 · 2 citations
    8. Diffuse unpatterned alopecia: Practical diagnostic considerations Journal of Hair Restoration and Regenerative Medicine · 2026
    9. Effect of minoxidil formulations on human scalp skin xenotransplants on SCID mice – a novel pre‐clinical in vivo assay for androgenetic alopecia research Experimental Dermatology · 2022
    10. Evaluation of the effect of autologous platelet-rich plasma on androgenic alopecia Journal of Cosmetic and Laser Therapy · 2020
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    Community 10 of 59

    1. Turning vellus hairs into terminal hair Reddit · 15 Oct 2024
    2. Vellus terminal microscope study Reddit · 31 Jul 2026
    3. 52 year old norwood 6 vellus to terminal, 5 months progress Reddit · 27 Jun 2026
    4. Using 5% Minoxidil for Frontal Vellus Hair to Terminal Community · 19 Oct 2025
    5. Confused why people are calling PP405 a cure...it never claimed to be able to undo miniaturization or revert vellus back to terminal hairs. It seems to be more of a growth stimulant like minoxidil. Reddit · 5 Jan 2025
    6. If all these vellus hairs turn terminal I’m gonna be a chewbacca Reddit · 7 Mar 2026
    7. 1 year on oral minoxidil 5mg and finasteride 1 mg on alternate days. Started derma rolling 1 month back. Will the vellus hair in temple become terminal? Also seeing good hair growth and reduced hairfall after I started Biotin and other hair growth supplements Reddit · 7 May 2025
    8. DHT is required to convert vellus hair into terminal hair? Reddit · 27 Dec 2024
    9. Are these all vellus hairs that will go terminal? Reddit · 8 Oct 2025
    10. New vellus all over — just 9 days into once-daily 5% minoxidil. Reddit · 31 Dec 2025
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