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GlossaryFollicular 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

5 / 1000+ results

research Follicular Unit Extraction: Minimally Invasive Surgery for Hair Transplantation

153 citations , August 2002 in “Dermatologic Surgery”

Follicular Unit Extraction (FUE) is a less invasive hair transplant method with minimal scarring, suitable for about 60% of patients, especially those needing fewer grafts and quicker recovery.

research Distribution of Human Hair in Follicular Units

83 citations , April 1999 in “Dermatologic Surgery”

The research found that for a typical hair density, about 11 square centimeters of donor scalp is needed to get 800 hair grafts for transplantation.

research The logic of follicular unit transplantation

77 citations , April 1999 in “Dermatologic Clinics”

The document concludes that follicular unit transplantation offers more natural results and better graft survival than older hair transplant methods.

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

53 citations , May 2010 in “Dermatologic Surgery”

Hair transplantation may not work for Frontal Fibrosing Alopecia as transplanted hair was lost when the disease came back.

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”

Ludwig pattern hair loss in women results from varying sensitivity in hair follicles, causing fewer visible hairs.

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Community Join

5 / 355 results

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

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

in Research/Science 1067 upvotes 3 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 Progress with 6 Years fin and a FUT (2017 vs 2023)

in Is this regrowth? 210 upvotes 3 years ago

The post discusses a user's six-year progress with finasteride and a Follicular Unit Transplant (FUT) for hair loss. The user shared before and after photos in reverse order, leading to confusion, but overall, the community responded positively to the user's hair regrowth.

community Verteporfin day 84 update - donor hair regeneration human trials

in Research/Science 32 upvotes 3 years ago

A human trial involving verteporfin for hair regeneration, with the results showing some regrowth of 1-2 hairs in an area where a follicular unit was extracted. The conversation also suggested that future studies should involve higher doses and more frequent injections.

community How is verteporfin doing in trials?

in Chat 9 upvotes 2 years ago

The conversation is about the progress of verteporfin in hair loss trials, with users expressing curiosity about its effectiveness and updates. Specific treatments mentioned include FUE (Follicular Unit Extraction) combined with verteporfin, with one reported case of donor area regrowth after a year, and three patients being monitored post-treatment by Dr. Bloxham with monthly updates on YouTube.

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