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    Glossary Hair Root Cells

    specialized cells at the base of hair follicles

    Hair root cells are specialized cells located at the base of the hair follicle, within the hair bulb. These cells are responsible for the production and growth of hair by dividing and differentiating to form the hair shaft and its surrounding structures. They play a crucial role in the hair growth cycle, including phases of growth (anagen), regression (catagen), and rest (telogen).

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    Research 10 of 1000+

    1. Single-strand DNA breaks in human hair root cells exposed to mobile phone radiation International Journal of Radiation Biology · 2012 · 37 citations
    2. miR-140-5p in Small Extracellular Vesicles From Human Papilla Cells Stimulates Hair Growth by Promoting Proliferation of Outer Root Sheath and Hair Matrix Cells Frontiers in cell and developmental biology · 2020 · 18 citations
    3. Human Hair Outer Root Sheath Cells and Platelet-Lysis Exosomes Promote Hair Inductivity of Dermal Papilla Cell Tissue Engineering and Regenerative Medicine · 2020 · 9 citations
    4. Interferon β Secreted from Human Hair Dermal Papilla Cells Inhibits the Growth of Outer Root Sheath Cells Cultured in Vitro Biochemical and biophysical research communications · 2002 · 13 citations
    5. Outer root sheath cells secrete oxytocin for hair growth promotion and stem cell proliferation Journal of Bioscience and Bioengineering · 2026
    6. 18-β-Glycyrrhetinic Acid Promotes Hair Growth by Stimulating the Proliferation of Dermal Papilla Cells and Outer Root Sheath Cells, and Extends the Anagen Phase by Inhibiting 5α-Reductase Biological and Pharmaceutical Bulletin · 2024
    7. Solid basal cell epithelioma (BCE) possibly originates from the outer root sheath of the hair follicle. PubMed · 1993 · 61 citations
    8. Sex hormones and antiandrogens influence in vitro growth of dermal papilla cells and outer root sheath keratinocytes of human hair follicles 1993 · 9 citations
    9. Nestin as a marker of unipotent epithelial progenitor cells differentiate into outer root sheath keratinocytes in embryonic and adult hair follicles Research Square (Research Square) · 2022
    10. Nestin as a marker of unipotent epithelial progenitor cell differentiation into outer root sheath keratinocytes in embryonic and adult hair follicles Research Square (Research Square) · 2022
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    Community 10 of 1000+

    1. White peony root extract for hair loss Reddit · 12 Feb 2022
    2. Hair loss - The Root of the Problem Reddit · 24 Dec 2020
    3. Anyone lose hair on selenium sulfide? (Selsun Blue) Reddit · 27 Oct 2025
    4. Did anyone try natural hair masks while on Finasteride? Reddit · 21 Sept 2023
    5. Did anyone try natural hair masks while on Finasteride? Reddit · 21 Sept 2023
    6. RootBioTec? Basil extract for hair growth Reddit · 15 Mar 2025
    7. Hair thickening spray, The ceel Reddit · 10 Nov 2024
    8. Long Hair DHI Hair Transplant, 2750 grafts. Reddit · 3 Sept 2024
    9. Taurine supplements work for hair growth? Reddit · 23 Apr 2024
    10. Sanguisorba Officinalis Root Extract, and other FGF-5 inhibitors? Reddit · 30 Jan 2017
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