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    Glossary Exogen

    final phase of hair cycle when hair sheds naturally

    Exogen is the final phase of the hair growth cycle, during which the hair shaft is released from the follicle and sheds naturally. This phase follows the telogen phase and precedes the growth of new hair in the anagen phase. Understanding exogen is crucial for professionals dealing with hair loss conditions, as it helps in diagnosing and treating various forms of alopecia.

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    1. Exogenous Testosterone (T) Alone or with Finasteride Increases Physical Performance, Grip Strength, and Lean Body Mass in Older Men with Low Serum T The Journal of Clinical Endocrinology and Metabolism · 2005 · 506 citations
    2. Exogenous Testosterone or Testosterone with Finasteride Increases Bone Mineral Density in Older Men with Low Serum Testosterone The Journal of Clinical Endocrinology and Metabolism · 2004 · 417 citations
    3. Exogen, Shedding Phase of the Hair Growth Cycle: Characterization of a Mouse Model Journal of Investigative Dermatology · 2002 · 107 citations
    4. From Telogen to Exogen: Mechanisms Underlying Formation and Subsequent Loss of the Hair Club Fiber Journal of Investigative Dermatology · 2009 · 81 citations
    5. Exogenous Testosterone Alone or With Finasteride Does Not Improve Measurements of Cognition in Healthy Older Men With Low Serum Testosterone International Journal of Andrology · 2007 · 77 citations
    6. Exogenous IGF-1 promotes hair growth by stimulating cell proliferation and down regulating TGF-β1 in C57BL/6 mice in vivo Growth Hormone & IGF Research · 2014 · 53 citations
    7. Exogen hair characterization in human scalp Skin Research and Technology · 2007 · 35 citations
    8. Diagnostic utility of dermatoscopy in hydroquinone‐induced exogenous ochronosis International Journal of Dermatology · 2012 · 34 citations
    9. Exogenous calreticulin improves diabetic wound healing Wound Repair and Regeneration · 2012 · 33 citations
    10. Exogeneous metal ions as therapeutic agents in cardiovascular disease and their delivery strategies Regenerative Biomaterials · 2023 · 24 citations
    11. Exogenous stimulation with Eclipta alba promotes hair matrix keratinocyte proliferation and downregulates TGF-β1 expression in nude mice International Journal of Molecular Medicine · 2014 · 24 citations
    12. Exogenous and endogenous lipids of human hair Skin research and technology · 2017 · 21 citations
    13. Exogen involves gradual release of the hair club fibre in the vibrissa follicle model Experimental Dermatology · 2009 · 14 citations
    14. Exogenous Factors in Hair Disorders Exogenous dermatology · 2004 · 11 citations
    15. The homing of exogenous hair follicle mesenchymal stem cells into hair follicle niches JCI Insight · 2023 · 6 citations
    16. Treatment of Exogenous Ochronosis With Advanced Fluorescence Technology Dermatologic surgery · 2014 · 5 citations
    17. Exogenous Alpha-Ketoglutaric Acid Alleviates the Rabbit Dermal Papilla Cell Oxidative Damage Caused by Hydrogen Peroxide Through the ERK/Nrf2 Signaling Pathway Antioxidants · 2025 · 4 citations
    18. Exogenous testosterone, finasteride and castration effects on testosterone, insulin, zinc and chromium in adult male rats. PubMed · 2013 · 4 citations
    19. Exogen Hairs in Women with and without Hair Loss Skin appendage disorders · 2017 · 2 citations
    20. Exogenous stimulations change nude mouse hair cycle pattern Journal of dermatological treatment · 2010 · 2 citations
    21. [Exogenous zinc deficiency syndrome]. PubMed · 1982 · 2 citations
    22. MOLECULAR AND CELLULAR BASIS OF EXOGEN AND ANAGEN INDUCTION Durham e-Theses (Durham University) · 2007
    23. Early Dissecting Cellulitis of the Scalp Following Repeated Microinfusion of Medication Into the Skin in a Patient With Androgenetic Alopecia and Long-Term Exogenous Testosterone Use: A Case Report Cureus · 2026
    24. Synergistic Innovative Therapies in Dermatology: Integrating Platelet Derivatives, Biomaterials, and Exogenous Bioactive Substances for Enhancing Skin Repair and Regeneration Drug Design Development and Therapy · 2025
    25. Exogenous IL-27 prevents the development of alopecia areata The Journal of Immunology · 2024
    26. Association between exogenous testosterone use and new diagnosis of hidradenitis suppurativa: A case series JAAD case reports · 2023
    27. Suspected Calcinosis Cutis and Demodicosis, Secondary to an Exogenous Steroid Administration in a Dog with Hypoadrenocorticism Frontiers in Medical Case Reports · 2020
    28. Exogenous Melatonin Promotes Expression Differences of Skin Hair Follicles Related Genes in Cashmere Goat Xumu Shouyi Xuebao · 2016
    29. Exogenous Testosterone Alone or with Finasteride Increases Physical Performance, Grip Strength, and Lean Body Mass in Older Men with Low Serum Testosterone Journal of Investigative Medicine · 2005
    30. Endogenous/exogenous stimuli‐responsive smart hydrogels for diabetic wound healing Aggregate · 2024 · 57 citations