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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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Single Follicular Unit Transplantation Reconstructs Arrector Pili Muscle and Nerve Connections and Restores Functional Hair Follicle Piloerection

research Single follicular unit transplantation reconstructs arrector pili muscle and nerve connections and restores functional hair follicle piloerection

13 citations , March 2012 in “The Journal of Dermatology”

This study reports that transplanted mouse hair follicles restored piloerection ability and connected properly with host tissues, suggesting potential for advanced hair restoration therapies.

research Single–Follicular-Unit Hair Transplantation to Correct Cleft Lip Moustache Alopecia

11 citations , September 2001 in “The Cleft Palate Craniofacial Journal”

This case report describes successful moustache restoration in an 18-year-old with a cleft lip scar using single-follicular-unit graft hair transplantation, highlighting its application in corrective cosmetic surgeries.

The Effect of One Session Low Level Laser Therapy on Extracted Follicular Units in Hair Transplantation

research The Effect of One Session Low Level Laser Therapy of Extracted Follicular Units on the Outcome of Hair Transplantation

6 citations , January 2016 in “Journal of lasers in medical sciences”

This study found that a single session of low level laser irradiation did not significantly affect hair growth outcomes in transplanted follicles for patients with androgenic alopecia.

research Single–Follicular-Unit Hair Transplantation to Correct Cleft Lip Moustache Alopecia

6 citations , September 2001 in “The Cleft Palate Craniofacial Journal”

This case report describes a successful restoration of moustache hair in an 18-year-old patient with a cleft lip scar using single-follicular-unit graft hair transplantation in one procedure.

research Study on the Efficacy of Platelet-rich Fibrin Matrix in Hair Follicular Unit Transplantation in Androgenetic Alopecia Patients.

4 citations , September 2016 in “PubMed”

In this study, platelet-rich fibrin matrix combined with follicular unit transplantation increased hair follicle numbers in men with androgenetic alopecia on the treated side of the scalp after six months.

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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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learn Overview

learn Thymosin Beta 4

learn Epidermal Growth Factor

learn Hair Multiplication

extract, clone, and reinsert your own hair cells

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Community Join

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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 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 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.

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

122 upvotes 5 months ago

PP405 shows promise in regenerating hair by activating dormant follicles. Other treatments like VDPHL01 and Breezula are also advancing, providing new hope for hair loss solutions.

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Clinics

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33
Hair Transplant
Australian Hair & Scalp Clinics-Hair Regrowth by Herbal Follicular ActivationMelbourne, VIC · AU

Experts

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Unscored
SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas