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

in Research/Science 4 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 Dutasteride has been nuking me

in Finasteride/Dutasteride 156 upvotes 7 months ago

The user experienced significant hair loss after 9 months of using 0.5mg dutasteride and oral minoxidil, possibly due to alopecia areata. It is advised to consult a doctor for accurate diagnosis and treatment, as dutasteride and finasteride may not be effective.

community Lost density 60% all over scalp in 120 days (4months)

in Update 10 upvotes 2 years 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 MPB itch aka DHT itch is very real.

in Chat 9 upvotes 3 years ago

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

community I’ve lost about 50% of my hair in 5 months. This is after 2 years of fin

in Finasteride/Dutasteride 16 upvotes 2 years ago

The user is experiencing significant hair thinning and scalp discomfort after two years on finasteride and is considering switching to dutasteride. Another person suggests that scalp inflammation might be the cause and recommends a YouTube channel for more information.

community can someone help me identify these pls

in Treatment 7 months ago

The user is experiencing diffuse thinning and inflammation despite using 2.5mg dutasteride daily, ciclopirox, and ketoconazole shampoos. They are considering treatments like hydroxychloroquine and JAK inhibitors due to suspected scarring alopecia and have faced challenges in obtaining a scalp biopsy.

community Does 0.5 mg of finasteride reduce SCALP DHT the same as 1 mg?

in Finasteride/Dutasteride 15 upvotes 2 years ago

The conversation is about whether 0.5 mg of finasteride reduces scalp DHT as effectively as 1 mg. Users suggest that even lower doses like 0.05 mg can significantly reduce scalp DHT.

community I just want to say Ru58841 saved my life.

in Chat 28 upvotes 3 years ago

A user's experience with hair loss and scalp inflammation, which was alleviated by using RU58841 along with finasteride and dutasteride. A theory of inflammation possibly being a cause of hairloss is also discussed.

community Why does the same hormone grow your beard and destroy your hairline?

in Research/Science 40 upvotes 1 month ago

DHT promotes beard growth but causes scalp hair loss due to inflammation and fibrosis. Treatments like finasteride and minoxidil help with hormonal signals and blood flow but don't address underlying inflammation.

community Oral daily 1 mg dutasteride with Minoxidil topical solution

in Minoxidil 4 upvotes 1 month 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.

community Quote from Pelage (PP-405) Spokesperson...

in Research/Science 122 upvotes 8 months ago

Pelage is developing a topical hair follicle stem cell therapy, PP405, for non-scarring alopecias like androgenetic alopecia, with Phase III trials planned and a potential market launch by 2027. The treatment may not require continuous use after initial regrowth.

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

in Research/Science 58 upvotes 1 year ago

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

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

in Research/Science 1 month 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 What is this pigmentation around my follicles?

in Chat 29 upvotes 1 year ago

The conversation discusses potential causes of pigmentation around hair follicles, suggesting sebum buildup, autoimmune conditions, or dermatitis. Treatments mentioned include finasteride, dutasteride, and an anti-inflammatory diet, with a recommendation to consult a doctor for a proper diagnosis.

community Eliminating scalp itch leads to regrowth (and my RU58841 progress)

in Research/Science 62 upvotes 3 years ago

User experienced hair regrowth after eliminating scalp itch with RU58841. Others discussed itch and hair loss connection, and effectiveness of combining RU58841 with 5AR inhibitors.

community Most promising cures for baldness as of May 2026

in Treatment 56 upvotes 1 month ago

PP405 is the most promising future treatment for hair loss, aiming to reactivate dormant hair follicles. Clascoterone 5% is the most promising near-term drug, while current strategies include using finasteride or dutasteride to stabilize hair loss and minoxidil to stimulate growth.

community Still have itchy scalp after 6 months on fin + keto

in Treatment 26 upvotes 1 month ago

The user experiences an itchy scalp despite using finasteride and ketoconazole shampoo for hair loss. Suggestions include trying different shampoos, switching to dutasteride, and using topical treatments for inflammation.

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

in Research/Science 50 upvotes 1 year 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 4 upvotes 8 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 How I started reversing Male Pattern Baldness naturally ?

in Question 7 upvotes 9 years ago

The user reversed male pattern baldness using a pro-thyroid diet, lifestyle changes, and scalp stimulation exercises, without Minoxidil or Finasteride. They reported reduced dandruff, itchiness, oiliness, and experienced hair regrowth and thickening over 15 months.

community 21M Concerned About Temple Recession: Minoxidil/Finasteride Worth It?

in General 203 upvotes 6 months ago

A 21-year-old is experiencing hair loss and is considering using Minoxidil and Finasteride, but is concerned about lifelong dependency and seeks advice on permanent solutions. They are advised to act quickly, consider additional treatments like Dutasteride, and get blood tests to rule out other causes.

community PP405 Won’t Work: Follicle Is Miniaturized, Fibrosed, And Missing Key Support Cells

in Research/Science 4 months ago

PP405 is ineffective for miniaturized, fibrosed hair follicles in androgenetic alopecia. AMP303 may activate hair follicle stem cells, but minoxidil and finasteride are still the main treatments.

community DHT Isn’t the Only Factor in Hair Loss and That Might Be the Key to a Real Cure

in Research/Science 370 upvotes 3 months ago

Hair loss involves more than just DHT, with genetic factors like TRPS affecting hair follicles. Treatments such as Amplifica's AMP-601 and AMP-303 target stem cells for potential hair growth solutions.

community 18M Experiencing Hair Loss Since 15: Seeking Alternatives to Minoxidil

in General 290 upvotes 5 months ago

An 18-year-old experiencing balding since age 15 is seeking alternatives to minoxidil for hair regrowth, currently using rosemary oil and a 0.5mm derma roller. They are unsure about the proper use of these treatments.

community DHT Harms Scalp Microbiome: DHT Itch is REAL

in Research/Science 416 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 If You Have DUPA, PLEASE READ THIS: Everyone Should Be Scalp Biopsied

in Research 830 upvotes 1 year 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 A hill on which I will die: The DHT itch absolutely exists

in Research/Science 210 upvotes 2 years 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.

community Testosterone in Reference Range Doesn't Cause Hair Loss

in Research/Science 53 upvotes 2 years ago

Testosterone within the normal range does not significantly contribute to male pattern baldness (MPB); DHT is the main factor that can be controlled. Genetics play a crucial role in hair loss, and treatments like finasteride and dutasteride, which block DHT, can help despite potentially raising testosterone levels.

community Pirfenidone - The answer to fibrosis and baldness

in Treatment 19 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 A Different Take on Curing MBP

17 upvotes 7 years ago

Addressing hair loss by focusing on posture, blood flow, and craniofacial development. Methods include improving posture, cardiovascular activity, scalp massages, healthy diet, meditation, using minoxidil, and addressing craniofacial issues.