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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. 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
    2. Concentrated Growth Factor from Autologous Platelet Promotes Hair Growth in Androgenetic Alopecia Journal of Biomedical Science and Engineering · 2019 · 1 citations
    3. Mapping the hair density, thickness, and volume in normal and androgenetic alopecia subjects with the digital microscope JEADV Clinical Practice · 2022
    4. Hair Counts from Normal Scalp Biopsy in Taiwan Dermatologic Surgery · 2012 · 24 citations
    5. Dermoscopy in hair disorders Menoufia Medical Journal · 2014 · 12 citations
    6. Scalp Biopsy and Diagnosis of Common Hair Loss Problems InTech eBooks · 2013 · 2 citations
    7. Hair Loss Physiology and Transplantation Principles 2020
    8. The reliability of horizontally sectioned scalp biopsies in the diagnosis of chronic diffuse telogen hair loss in women Journal of The American Academy of Dermatology · 2004 · 137 citations
    9. Trichoscopic characteristics as diagnostic indicators for grading of female pattern hair loss severity in skin of color: A multicentric retrospective study by the International Dermoscopy Society Journal of Cutaneous and Aesthetic Surgery · 2026
    10. The Effect of Plasma Rich in Growth Factors on Pattern Hair Loss: A Pilot Study Dermatologic Surgery · 2017 · 70 citations
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    Community 10 of 59

    1. Turning vellus hairs into terminal hair Reddit · 15 Oct 2024
    2. 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
    3. Using 5% Minoxidil for Frontal Vellus Hair to Terminal Community · 19 Oct 2025
    4. DHT is required to convert vellus hair into terminal hair? Reddit · 27 Dec 2024
    5. If all these vellus hairs turn terminal I’m gonna be a chewbacca Reddit · 7 Mar 2026
    6. 52 year old norwood 6 vellus to terminal, 5 months progress Reddit · 27 Jun 2026
    7. 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
    8. Transition from Baby Hair to Normal Hair? Reddit · 12 Apr 2024
    9. Vellus terminal microscope study Reddit · 31 Jul 2026
    10. New vellus all over — just 9 days into once-daily 5% minoxidil. Reddit · 31 Dec 2025
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