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    Glossary Follicular Infundibulum

    upper part of hair follicle where sebum exits

    The follicular infundibulum is the upper part of a hair follicle, extending from the skin's surface down to the point where the sebaceous (oil) gland opens into the follicle. This region is crucial for the passage of sebum and dead skin cells to the skin's surface, and its blockage can lead to conditions like acne.

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    Research 10 of 1000+

    1. Microneedling dilates the follicular infundibulum and increases transfollicular absorption of liposomal sepia melanin Clinical, Cosmetic and Investigational Dermatology · 2015 · 25 citations
    2. Reflectance confocal microscopy can differentiate dermoscopic white dots of the scalp between sweat gland ducts or follicular infundibulum British Journal of Dermatology · 2011 · 20 citations
    3. Pilomatricoma can differentiate not only towards hair matrix and hair cortex, but also follicular infundibulum, outer root sheath and hair bulge Experimental Dermatology · 2009 · 18 citations
    4. Tumors of the follicular infundibulum 2019
    5. The changes in the expression levels of follicular markers in keratoacanthoma depend on the stage: keratoacanthoma is a follicular neoplasm exhibiting infundibular/isthmic differentiation without expression of CK15 Journal of Cutaneous Pathology · 2014 · 28 citations
    6. Dermoscopic features of infundibular keratinising acanthomas and follicular cysts: Description, assessment and histopathological correlation Veterinary Dermatology · 2025
    7. Proliferative, lymphocytic, infundibular mural folliculitis and dermatitis with prominent follicular apoptosis and parakeratotic casts in a Labrador retriever: Clinical, histopathological and dermoscopic features and co‐morbidities Veterinary Dermatology · 2024
    8. New insights on dandruff/seborrhoeic dermatitis: the role of the scalp follicular infundibulum in effective treatment strategies 2011 · 46 citations
    9. Ex-vivo measurement of scalp follicular infundibulum delivery of zinc pyrithione and climbazole from an anti-dandruff shampoo Journal of pharmaceutical and biomedical analysis · 2017 · 12 citations
    10. Hypopigmented facial lesions: a case of eruptive tumor of follicular infundibulum International Journal of Dermatology · 2025
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    Community 10 of 56

    1. Do the more newer gen topical retinoids e.g. tazarotene outperform tretinoin in inducing follicular sulfotransferase activity? Reddit · 29 Jul 2026
    2. Pelage Pharmaceuticals’ PP405 and its Impact on Follicular Regeneration to be Presented at the American Academy of Dermatology (AAD) Annual Meeting 2026 28th march Reddit · 26 Mar 2026
    3. Pelage Pharmaceuticals’ PP405 and its Impact on Follicular Regeneration to be Presented at the American Academy of Dermatology (AAD) Annual Meeting 2026 Reddit · 18 Mar 2026
    4. Minoxidil Skin Delivery from Nanoemulsion Formulations Containing Eucalyptol or Oleic Acid: Enhanced Diffusivity and Follicular Targeting Reddit · 25 Dec 2024
    5. Information regarding Follicusan DP? Reddit · 22 Oct 2023
    6. Targeted Follicular Finasteride Delivery: A Low-Systemic Strategy Reddit · 28 Mar 2026
    7. What is the deal with "longitudinal partial follicular unit transplantation" Reddit · 21 Dec 2019
    8. What is the deal with "longitudinal partial follicular unit transplantation" Reddit · 13 Dec 2019
    9. Can single hairs follicules be able to produce two hairs once again with treatment? Never saw a study about that. Reddit · 19 Jun 2024
    10. Pelage PP405: New Hair Growth from Inactive Follicular Units - Phase 2a results at AAD 2026 Reddit · 29 Mar 2026
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