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GlossaryPerifollicular

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 Frontal Fibrosing Alopecia: A Case Report of a 66-Year-Old Caucasian Woman

July 2015 in “Journal of the Dermatology Nurses’ Association”

A 66-year-old woman experienced hair loss due to Frontal Fibrosing Alopecia, a condition with no consistently effective treatment, but it usually stabilizes over time. More research is needed for better understanding and treatment options.

research Novel Immune Mechanisms in Androgenetic Alopecia

January 2024

Blocking GPR91 can help prevent and reverse hair loss in androgenetic alopecia.

research A Clinical and Histopathological Study of Cicatricial Alopecia

5 citations, July 2013 in “Our Dermatology Online”

Lichen planopilaris is the most common type of scarring hair loss observed, with a variety of symptoms and tissue changes.

research Histopathologic Evaluation of Alopecias

90 citations, June 2006 in “The American Journal of Dermatopathology”

The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.

research Lichen Planopilaris: A Rare Inflammatory Cicatricial Alopecia

April 2012 in “Informa Healthcare eBooks”

Lichen planopilaris is a rare, chronic condition causing hair loss, mainly in middle-aged women, and early treatment is important to prevent permanent baldness.

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

in Research 830 upvotes 7 months 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.

community Pirfenidone - The answer to fibrosis and baldness

in Treatment 19 upvotes 3 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 Lost density 60% all over scalp in 120 days (4months)

in Update 10 upvotes 10 months ago

A user lost 60% hair density in 4 months, started finasteride and microneedling, and has greasy, flaky, yellowish scalp. They are awaiting biopsy results, and another user suggested trying ketoconazole shampoo.

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

in Research/Science 43 upvotes 7 months 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 A hill on which I will die: The DHT itch absolutely exists

in Research/Science 209 upvotes 10 months ago

The DHT itch is linked to hair loss and persists despite finasteride use; switching to dutasteride helped alleviate the itch and promoted regrowth. Some users suggest seborrheic dermatitis as a cause and recommend treatments like medicated shampoos, vitamin D, and minoxidil.

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