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Glossary Perifollicular Inflammation

swelling and irritation around hair follicles

Perifollicular inflammation refers to the swelling and irritation that occurs around hair follicles. This condition can lead to hair loss and is often seen in various types of alopecia, such as alopecia areata. It involves immune cells attacking the hair follicles, which can disrupt normal hair growth and cause damage to the follicle structure.

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research Perifollicular Inflammation and Fibrosis in Androgenetic Alopecia: Implications for Diagnosis and Treatment - A Comparative Histopathologic and Clinical Study with Normal-Appearing Scalp

January 2026 in “Clinical Cosmetic and Investigational Dermatology”

This study found that targeting both hormonal and immune pathways improved treatment outcomes in androgenetic alopecia patients with an under-recognized inflammatory component called PIILIF, which may contribute to treatment resistance.

research Perifollicular inflammation and follicular spongiosis in androgenetic alopecia

1 citations , September 2021 in “Journal of The American Academy of Dermatology”

This study observed that inflammation in androgenetic alopecia samples was similar to alopecia areata controls, but infundibular and isthmic inflammation were significantly more common in androgenetic alopecia cases.

research A Case of Inflammatory Nonscarring Alopecia Associated With the Tyrosine Kinase Inhibitor Nilotinib

16 citations , March 2013 in “JAMA Dermatology”

This case study describes a 33-year-old woman with chronic myelogenous leukemia who developed nonscarring alopecia after starting nilotinib therapy, linked to perifollicular inflammation.

research The Inflammatory Aspect of Male and Female Pattern Hair Loss

November 2020 in “DOAJ (DOAJ: Directory of Open Access Journals)”

This perspective highlights evidence suggesting inflammation plays a significant role in male and female pattern hair loss, indicating that targeting inflammatory pathways may improve future therapeutic options.

research Frontal Fibrosing Alopecia Involving the Limbs Shows Inflammatory Pattern on Histology: A Review of 13 Cases

7 citations , August 2019 in “American Journal of Dermatopathology”

This study found that limb hair loss in frontal fibrosing alopecia is inflammatory and permanent, but lacks the classic scarring features seen in scalp alopecia, prompting potential misdiagnosis as alopecia areata.

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5 / 37 results

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 DHT Harms Scalp Microbiome: DHT Itch is REAL

413 upvotes 1 year ago

Increased Malassezia and Cutibacterium in the scalp microbiome are linked to higher sebum production and inflammation in androgenetic alopecia (AGA). Treatments include ciclopirox shampoo, benzoyl peroxide shampoo, clobetasol propionate, calcipotriol, minoxidil, finasteride, and dutasteride.

community The Worst Hair Loss Condition You (MAY) have: LPP

48 upvotes 2 years ago

Lichen Planopilaris (LPP) is an autoimmune condition causing permanent hair loss and fibrosis, often misdiagnosed. Treatments include pioglitazone, topical corticosteroids, anti-inflammatory medication, and Jak inhibitors.

community Early onset diffuse thinners + nonresponders to oral meds?

7 upvotes 2 weeks ago

A 19-year-old has been experiencing diffuse thinning since age 16 and has not seen improvement despite using minoxidil, finasteride, dutasteride, and other treatments. Suggestions include increasing dutasteride dosage, using RU58841, and considering topical treatments or a hair transplant.

community If You Have DUPA, PLEASE READ THIS: Everyone Should Be Scalp Biopsied

in Research 830 upvotes 2 years ago

Scalp biopsies are crucial for diagnosing hair loss conditions like Diffuse Unpatterned Alopecia (DUPA) and retrograde hair loss, as treatments like finasteride and dutasteride may not be effective if other conditions are present. Combining PPAR-GAMMA agonists with retinoids could improve treatments for conditions like Lichen Planopilaris.

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