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    Did you mean Hair Cycle Clock?
    Glossary Hair Cycle Clock

    internal mechanism regulating hair growth, rest, and shedding phases

    The Hair Cycle Clock refers to the internal biological mechanism that regulates the phases of hair growth, rest, and shedding. This cycle includes the anagen (growth), catagen (transitional), and telogen (resting) phases, ensuring that hair follicles undergo a synchronized process of renewal and shedding. Understanding this clock is crucial for diagnosing and treating hair disorders like alopecia.

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    Community 10 of 1000+

    1. Regrowth After Minoxidil: How to Restore Natural Hair Cycle? Community · 16 Dec 2025
    2. Fin & min. Hairloss/sheds/hair cycles Reddit · 1 Jul 2025
    3. My hair after 3 steroid cycles Reddit · 27 Jun 2024
    4. Should I avoid a testosterone cycle if I care a lot about keeping my hair? Reddit · 23 Aug 2026
    5. Scalp hydration's surprising link to hair growth cycle regulation Reddit · 3 May 2026
    6. Circadian rhythm disruption and its potential impact on hair growth cycles Reddit · 10 May 2026
    7. Cycle of Hair Loss: Fin to Dut Transition without Improvement Community · 20 Apr 2026
    8. Scalp Skin Barrier Health and Hair Follicle Cycling: A Potential Overlooked Connection Reddit · 14 May 2026
    9. Anyone already balding before their first testosterone cycle - did Finasteride/Dutasteride or RU58841 actually save your hair? Reddit · 31 Jul 2026
    10. True hair loss Vs shedding cycle Reddit · 8 Feb 2026
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    Research 10 of 1000+

    1. Lgr5 marks cycling, yet long-lived, hair follicle stem cells Nature Genetics · 2008 · 835 citations
    2. Adipocyte Lineage Cells Contribute to the Skin Stem Cell Niche to Drive Hair Cycling Cell · 2011 · 499 citations
    3. The hair cycle Journal of Cell Science · 2006 · 375 citations
    4. Molecular Control of Epithelial–Mesenchymal Interactions During Hair Follicle Cycling 2003 · 277 citations
    5. Physical and Functional Interaction between the Vitamin D Receptor and Hairless Corepressor, Two Proteins Required for Hair Cycling Journal of Biological Chemistry · 2003 · 215 citations
    6. A Guide to Studying Human Hair Follicle Cycling In Vivo Journal of Investigative Dermatology · 2015 · 212 citations
    7. Dermal papilla cell number specifies hair size, shape and cycling and its reduction causes follicular decline Development · 2013 · 211 citations
    8. Keratin 17 modulates hair follicle cycling in a TN<i>Fα</i>-dependent fashion Genes & Development · 2006 · 169 citations
    9. Hair Cycle Resting Phase Is Regulated by Cyclic Epithelial FGF18 Signaling Journal of Investigative Dermatology · 2012 · 158 citations
    10. Molecular biology of hair morphogenesis: Development and cycling Journal Of Experimental Zoology Part B: Molecular And Developmental Evolution · 2003 · 155 citations
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    Learn 10 of 61

    1. KY19382 Experimental compound that activates hair-growth signals, tested only in animals
    2. SCUBE3 Signalling protein made in the hair follicle
    3. Alopecia Areata autoimmune disorder causing patchy hair loss
    4. Peppermint herb and oil thought to stimulate skin and hair
    5. Adenosine Molecule the body uses for energy, used as a cosmetic hair-lotion ingredient
    6. Procyanidin Plant polyphenol found in apples and grape seeds
    7. Latanoprost Prostaglandin eye drop used for glaucoma
    8. Melatonin Hormone that regulates sleep, sold as a supplement
    9. Vitamin D Vitamin made in the skin from sunlight, also taken as a supplement
    10. Estradiol Estrogen hormone, prescribed in tablet, patch and gel forms
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