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Glossary Perifollicular

area surrounding hair follicle

Perifollicular refers to the area surrounding a hair follicle. In medical and dermatological contexts, this term is often used to describe conditions or observations, such as inflammation or fibrosis, that occur around the hair follicles. For example, perifollicular inflammation is a common feature in certain types of hair loss, like alopecia areata, where the immune system attacks the hair follicles.

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Research

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research Perifollicular Fibrosis: Pathogenetic Role in Androgenetic Alopecia

44 citations , January 2006 in “Biological & Pharmaceutical Bulletin”

This research suggests that testosterone-induced expression of TGF-beta1 and type I procollagen may lead to perifollicular fibrosis in androgenetic alopecia, with finasteride inhibiting this process as a possible mechanism for its effects.

research Multiple perifollicular fibromas: report of a case and analysis of the literature

30 citations , October 1994 in “Journal of Cutaneous Pathology”

This article describes a case of multiple perifollicular fibromas and suggests that cases previously reported as such might actually be instances of Birt‐Hogg‐Dubé syndrome.

research Immunophenotypical analyses of myofibroblasts in rat excisional wound healing: possible transdifferentiation of blood vessel pericytes and perifollicular dermal sheath cells into myofibroblasts.

26 citations , April 2012 in “PubMed”

In this study, myofibroblasts in rat cutaneous fibrosis were characterized by expressions of vimentin, α-SMA, and Thy-1, and may derive from pericytes or perifollicular dermal sheath cells.

research Nevus lipomatosus cutaneous superficialis with perifollicular fibrosis.

12 citations , April 2004 in “PubMed”

This study reports the first known case of multiple type nevus lipomatosus cutaneous superficialis in a 10-month-old girl, with the unique feature of perifollicular fibrosis.

research Perifollicular Fibrosis in Androgenetic Alopecia

April 2026 in “Brazilian Journal of Hair Health”

This narrative review highlights current insights into how perifollicular fibrosis contributes to androgenetic alopecia, by hindering hair regrowth and treatment response, and outlines potential antifibrotic therapies, though conclusive evidence from randomized controlled trials is still needed.

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Community Join

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community Perifollicular Fibrosis and its role in androgenetic alopecia. Is Aminexil/Kopexil a must for anyone with AGA?

5 upvotes 4 years ago

Aminexil/Kopexil may help reduce hair loss by addressing perifollicular fibrosis in androgenetic alopecia, but it lacks the extensive clinical backing of finasteride and minoxidil. Some users find it effective, but availability and cost are issues, especially in the US where it's not FDA-approved.

community Pirfenidone - The answer to fibrosis and baldness

20 upvotes 4 years ago

Pirfenidone is suggested to treat fibrosis and baldness by blocking inflammation markers and reducing collagen. It is also available as a gel for scar removal.

community Reducing Fibrosis in Hair Loss: Topical Pirfenidone

59 upvotes 5 months ago

Topical pirfenidone is highlighted as an effective anti-inflammatory and anti-fibrotic treatment for hair loss, particularly in addressing perifollicular fibrosis, which may enhance the effectiveness of standard treatments like finasteride and minoxidil. The user also uses calcipotriol, MCT oil, ciclopirox shampoo, and benzoyl peroxide shampoo as part of their regimen.

community What do you think about this? he says one of the causes of pattern hair loss is scars and it can be fixed

3 months ago

The conversation discusses hair loss treatments, focusing on insulin resistance, microneedling with topical melatonin, and stress reduction. Users express skepticism about the advice, preferring proven treatments like minoxidil and finasteride, while some mention alternative methods like dermal incisions and verteporfin for reducing fibrosis.

community Oral daily 1 mg dutasteride with Minoxidil topical solution

in Minoxidil 4 upvotes 4 months ago

Oral dutasteride and topical Minoxidil are used to treat hair loss, with the goal of suppressing DHT and improving hair density. The effectiveness depends on genetics and the duration of baldness, and lifelong treatment may be necessary to maintain results.

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