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Glossary Follicular Unit

naturally occurring group of one to four hair follicles

A follicular unit is a naturally occurring group of one to four hair follicles that emerge from the scalp, along with associated sebaceous (oil) glands, nerves, and a small muscle called the arrector pili. This unit is the basic building block used in hair transplantation procedures, as it allows for the most natural-looking results by mimicking the way hair grows naturally.

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Research

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research Follicular Unit Extraction: Minimally Invasive Surgery for Hair Transplantation

153 citations , August 2002 in “Dermatologic Surgery”

This paper introduces the Follicular Unit Extraction procedure and its accompanying FOX Test, finding that 60% of tested patients were suitable candidates for this minimally invasive hair transplantation method.

research Distribution of Human Hair in Follicular Units

83 citations , April 1999 in “Dermatologic Surgery”

This study found that hair transplant surgeons can use a new model to predict the number and distribution of follicular units in donor scalp areas based on patient hair density.

research The logic of follicular unit transplantation

77 citations , April 1999 in “Dermatologic Clinics”

This article reviews how new observations have revolutionized surgical hair restoration and highlights the logical applications and prior illogical judgments that delayed this advancement, without reporting new results.

research Frontal Fibrosing Alopecia in a Man: Results of Follicular Unit Test Grafting

53 citations , May 2010 in “Dermatologic Surgery”

This article appears to be a table of contents or navigation page for a journal, not presenting any new findings or research results.

The Ludwig Pattern of Androgenetic Alopecia Is Due to a Hierarchy of Androgen Sensitivity Within Follicular Units That Leads to Selective Miniaturization and a Reduction in the Number of Terminal Hairs Per Follicular Unit

research The Ludwig pattern of androgenetic alopecia is due to a hierarchy of androgen sensitivity within follicular units that leads to selective miniaturization and a reduction in the number of terminal hairs per follicular unit

47 citations , September 2008 in “British Journal of Dermatology”

This study found that women with androgenetic alopecia experience diffuse hair loss due to a decrease in terminal hairs and an increase in vellus hairs per follicular unit.

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Learn

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learn Hair Transplant

Hair transplantation moves DHT-resistant follicles from a donor area (back and sides of the scalp) into thinning or bald areas. The transplanted hair is generally permanent, though surrounding native hair can keep thinning.

What is Follicular Unit Extraction (FUE) in hair transplants? Follicular Unit Extraction (FUE) is a minimally invasive hair transplant method that extracts individual hair follicles.
What is Follicular Unit Transplantation (FUT) in hair transplants? Follicular Unit Transplantation (FUT) involves removing a scalp strip for hair restoration.
What are the benefits of NeoGraft compared to manual FUE techniques in hair transplants? NeoGraft offers faster, more precise harvesting and potentially fewer procedures than manual FUE.
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Community Join

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community What is the deal with "longitudinal partial follicular unit transplantation"

5 upvotes 6 years ago

Longitudinal partial follicular unit transplantation involves extracting part of the donor follicular unit, allowing the donor area to be overharvested without noticeable hair loss. The conversation questions if this method is practiced in clinics or if it's theoretical, and whether it relates to hair cloning or multiplication.

community What is the deal with "longitudinal partial follicular unit transplantation"

3 upvotes 6 years ago

Longitudinal partial follicular unit transplantation involves extracting part of the donor follicular unit, allowing the donor area to maintain hair production and potentially increasing transplant yield. The conversation questions if this method is practiced in clinics or remains theoretical, and whether it relates to hair cloning or multiplication.

community Pelage PP405: New Hair Growth from Inactive Follicular Units - Phase 2a results at AAD 2026

1080 upvotes 5 months ago

PP405, a topical treatment, shows promise for hair growth by activating inactive follicles, with 66% of participants experiencing positive results. The treatment is well-tolerated and may proceed directly to Phase 3 trials, offering a potential alternative to minoxidil and finasteride.

community Can single hairs follicules be able to produce two hairs once again with treatment? Never saw a study about that.

in Finasteride/Dutasteride 11 upvotes 2 years ago

The conversation is about whether treatments like finasteride, dutasteride, and minoxidil can make single hair follicles produce multiple hairs again. The user is curious if these medications can thicken hair and prolong the growth phase.

community Pelage Pharmaceuticals’ PP405 and its Impact on Follicular Regeneration to be Presented at the American Academy of Dermatology (AAD) Annual Meeting 2026 28th march

30 upvotes 5 months ago

Pelage Pharmaceuticals' PP405 aims to treat hair loss by reactivating dormant hair follicle stem cells, showing promising results in early trials. The company plans to present their findings at the American Academy of Dermatology Annual Meeting in 2026.

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Clinics

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Hair Transplant
Australian Hair & Scalp Clinics-Hair Regrowth by Herbal Follicular ActivationMelbourne, VIC · AU

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