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    Glossary Hair Follicle Infundibulum

    upper part of the hair follicle extending to sebaceous gland

    The hair follicle infundibulum is the upper part of the hair follicle, extending from the opening of the follicle at the skin's surface down to the point where the sebaceous (oil) gland attaches. This region is crucial for the passage of sebum and other substances to the skin's surface, and it plays a role in conditions like acne and folliculitis.

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    Research 10 of 1000+

    1. Deciphering the functions of the hair follicle infundibulum in skin physiology and disease Cell and Tissue Research · 2014 · 38 citations
    2. Early stage alopecia areata is associated with inflammation in the upper dermis and damage to the hair follicle infundibulum Australasian Journal of Dermatology · 2013 · 22 citations
    3. Pulling force deforms hair follicle root sheath nuclei and surrounding dermal collagen matrix differently at infundibulum, isthmus and suprabulbar regions Experimental Dermatology · 2019 · 2 citations
    4. 584 Dandruff is associated with perturbations of hair follicle immune privilege, and the infundibular and epidermal immune microenvironment Journal of Investigative Dermatology · 2022
    5. Seborrheic karatosis, a tumor of the infundibular and isthmus of hair follicles: Identification of hair sheath keratins and histopathological features suggesting hair follicle origin. The Nishinihon Journal of Dermatology · 1989 · 2 citations
    6. Single‐Cell Analysis of Late‐Stage Wound‐Induced Hair Follicle Neogenesis Reveals Keratinocyte Heterogeneity and Enrichment of Infundibular Basal Keratinocytes Experimental Dermatology · 2026
    7. Staphylococcus aureus Enters Hair Follicles Using Triacylglycerol Lipases Preserved through the Genus Staphylococcus Journal of Investigative Dermatology · 2021 · 7 citations
    8. T helper 17 cell/regulatory T-cell imbalance in hidradenitis suppurativa/acne inversa: the link to hair follicle dissection, obesity, smoking and autoimmune comorbidities 2018 · 66 citations
    9. Porokeratotic Eccrine Duct and Hair Follicle Nevus (PEHFN) Associated with Keratitis-Ichthyosis-Deafness (KID) Syndrome Pediatric dermatology · 2010 · 17 citations
    10. Human hair follicle: reservoir function and selective targeting British Journal of Dermatology · 2011 · 97 citations
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    Community 10 of 1000+

    1. THE HARSH REALITY OF THE HAIR FOLLICLE’s CYCLICAL LIFE? 6.5 months of treatment Reddit · 31 May 2025
    2. Relax to grow more hair. Study title: Corticosterone inhibits GAS6 to govern hair follicle stem-cell quiescence Reddit · 31 Mar 2021
    3. Protective effects of taurine on human hair follicle grown in vitro. - PubMed Reddit · 1 Mar 2019
    4. (/r/science X-post): Stress may turn your hair grey. The appearance of grey hairs after periods of stress or skin damage could be the result of depletion of stem cells from the base of the hair follicle, according to a new study : science Reddit · 10 Jun 2013
    5. Rubedo Life Sciences Announces Clinical Study to Treat Hair Loss with GPX4 Modulator RLS-1496, First Human Ex Vivo Evidence Demonstrates Robust Hair Follicle Growth Reddit · 17 Sept 2026
    6. Scalp Skin Barrier Health and Hair Follicle Cycling: A Potential Overlooked Connection Reddit · 14 May 2026
    7. Inflammation's surprising role in shrinking hair follicles and AGA Reddit · 12 May 2026
    8. Scalp barrier integrity and its potential link to hair follicle health Reddit · 25 Apr 2026
    9. How far away are we from scalp/hair follicle cloning for an essentially unlimited transplant supply? And would prior transplants affect eligibility? Reddit · 22 Feb 2026
    10. Intermittent fasting triggers hair loss in study (suppresses hair follicle regeneration) Reddit · 18 Jan 2026
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    Learn 9 of 61

    1. Hair Transplant Surgery that moves hair follicles from the back of the scalp to thinning areas
    2. SCUBE3 Signalling protein made in the hair follicle
    3. Hair Multiplication extract, clone, and reinsert your own hair cells
    4. Alopecia Areata autoimmune disorder causing patchy hair loss
    5. KY19382 Experimental compound that activates hair-growth signals, tested only in animals
    6. Caffeine Stimulant used in hair shampoos and lotions
    7. GHK-Cu Copper peptide used in skin and hair cosmetics
    8. Peppermint herb and oil thought to stimulate skin and hair
    9. Dexpanthenol Provitamin B5, a moisturiser in hair and skin products
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