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    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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    Research 10 of 1000+

    1. Local circadian clock gates cell cycle progression of transient amplifying cells during regenerative hair cycling Proceedings of the National Academy of Sciences of the United States of America · 2013 · 116 citations
    2. A Meeting of Two Chronobiological Systems: Circadian Proteins Period1 and BMAL1 Modulate the Human Hair Cycle Clock Journal of Investigative Dermatology · 2013 · 92 citations
    3. 715 Hunting the hair cycle clock (HCC): Evidence that mitochondrially localized MPZL3 is a key HCC element in murine and human hair follicles 2022
    4. 583 Hair cycle regulation by a mitochondrially localized protein: Is MPZL3 a central component of the elusive hair cycle clock? 2021
    5. New Activators and Inhibitors in the Hair Cycle Clock: Targeting Stem Cells’ State of Competence Journal of Investigative Dermatology · 2012 · 68 citations
    6. Overview of the Circadian Clock in the Hair Follicle Cycle Biomolecules · 2023
    7. Principles of Hair Cycle Control The Journal of Dermatology · 1998 · 109 citations
    8. Clock genes, hair growth and aging Aging · 2010 · 55 citations
    9. Hair Follicles as a Critical Model for Monitoring the Circadian Clock International Journal of Molecular Sciences · 2023 · 5 citations
    10. Bioorthogonal Click-Engineered Microneedle Patch Enables Adeno-Associated Virus-Mediated Dermal Acidic Fibroblast Growth Factor Expression for Hair Loss Treatment ACS Nano · 2026
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    Community 10 of 1000+

    1. Circadian rhythm disruption and its potential impact on hair growth cycles Reddit · 10 May 2026
    2. Regrowth After Minoxidil: How to Restore Natural Hair Cycle? Community · 16 Dec 2025
    3. Should I avoid a testosterone cycle if I care a lot about keeping my hair? Reddit · 23 Aug 2026
    4. Fin & min. Hairloss/sheds/hair cycles Reddit · 1 Jul 2025
    5. My hair after 3 steroid cycles Reddit · 27 Jun 2024
    6. Scalp hydration's surprising link to hair growth cycle regulation Reddit · 3 May 2026
    7. Cycle of Hair Loss: Fin to Dut Transition without Improvement Community · 20 Apr 2026
    8. Anyone already balding before their first testosterone cycle - did Finasteride/Dutasteride or RU58841 actually save your hair? Reddit · 31 Jul 2026
    9. True hair loss Vs shedding cycle Reddit · 8 Feb 2026
    10. if hair follicle miniaturization happens slowly and gradually over a few hair cycles then wouldn't that mean that to regain maximum or top thickness from treatment you would at least need 5-10 years? Reddit · 14 Nov 2025
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    Learn 3 of 61

    1. SCUBE3 Signalling protein made in the hair follicle
    2. Alopecia Areata autoimmune disorder causing patchy hair loss
    3. Peppermint herb and oil thought to stimulate skin and hair
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