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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 Induction of Ornithine Decarboxylase in Specific Subpopulations of Murine Epidermal Cells Following Multiple Exposures to 12-O-Tetradecanoylphorbol-13-Acetate, Mezerein, and Ethyl Phenylpropriolate

26 citations, January 1992 in “Carcinogenesis”

TPA strongly increases ODC activity in certain skin cells, potentially aiding tumor growth.

research Epimorphin Expression During Human Fetal Hair Follicle Development

15 citations, September 1999 in “British Journal of Dermatology”

Epimorphin, a protein, plays a key role in the development of hair follicles in human fetuses, but it doesn't help in maintaining the stem cell population of the follicular skin layer.

research Proposed Mechanisms of Low-Level Light Therapy in the Treatment of Androgenetic Alopecia

8 citations, October 2020 in “Lasers in Medical Science”

LLLT helps treat hair loss by increasing blood flow, reducing inflammation, and stimulating growth factors.

research CD34 Glycoprotein Identifies Putative Stem Cells Located in the Isthmic Region of Canine Hair Follicles

21 citations, July 2006 in “Veterinary dermatology”

CD34 marks potential stem cells in dog hair follicles.

research Stem Cell Markers (Cytokeratin 15, CD34, and Nestin) in Primary Scarring and Nonscarring Alopecia

54 citations, January 2009 in “British Journal of Dermatology”

Scarring alopecia affects different hair follicle stem cells than nonscarring alopecia, and the infundibular region could be a new treatment target.

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community The MPB itch aka DHT itch is very real.

in Chat 9 upvotes 1 year ago

Hair loss itch is caused by DHT attacking follicles and stimulating nerves. Finasteride users who respond well don't experience this itch.

community Interesting article links major MPB theories to western diet (and life-style)

in Research/Science 57 upvotes 1 month ago

Poor diet and lifestyle contribute to male pattern baldness. Treatments like Minoxidil, dietary changes, and lifestyle adjustments may help slow hair loss.

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

in Research/Science 43 upvotes 3 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 Question about Castor oil and other oils?

in Question 6 upvotes 6 years ago

Castor oil's effectiveness for male pattern baldness, receding hairline, and thinning crown is questioned, including its application method and potential side effects. The user also mentions experiencing hair shedding with coconut oil.

community Diffuse hair loss and scalp biopsies

in Research 692 upvotes 4 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.

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