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Glossary Direct Hair Implantation

modern hair transplant technique using a specialized implanter pen

Direct Hair Implantation (DHI) is a modern hair transplant technique where hair follicles are extracted individually from the donor area and then implanted directly into the recipient area using a specialized tool called a Choi Implanter Pen. This method allows for precise control over the depth, angle, and direction of the implanted hair, resulting in a more natural appearance and potentially faster recovery compared to traditional methods.

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Research

5 / 1000+ results

research FOLLICLE IMPLANTATION TECHNIQUE IN AUTOLOGOUS HAIR TRANSPLANTATION

January 2026 in “Avicenna Bulletin”

In this study, male patients with stage III-IV androgenetic alopecia who underwent hair transplantation using a technique that considers the direction and angle of hair growth reported a 19.7% increase in satisfaction regarding the naturalness of their results.

research Follicular Cell Implantation: An Emerging Cell Therapy for Hair Loss

13 citations , May 2005 in “Seminars in Plastic Surgery”

This article discusses the cell therapy potential of follicular cell implantation for hair regeneration and reports no new clinical results, emphasizing the role of dermal papilla cells in forming new follicles.

research Transcutaneous implantation of valproic acid-encapsulated dissolving microneedles induces hair regrowth

68 citations , March 2018 in “Biomaterials”

This study found that in vivo, a novel microneedle system for valproic acid delivery may improve hair regrowth efficacy by upregulating hair follicle development pathways more effectively than topical application.

research A comparison of graft implantation techniques for hair transplantation

11 citations , June 1999 in “Seminars in Cutaneous Medicine and Surgery”

This article compares modern hair restoration techniques for androgenic alopecia, focusing on procedure times, labor, and costs, but it does not provide new clinical findings.

Direct Implantation of Hair-Follicle-Associated Pluripotent Stem Cells Repairs Intracerebral Hemorrhage and Reduces Neuroinflammation in Mouse Model

research Direct implantation of hair-follicle-associated pluripotent (HAP) stem cells repairs intracerebral hemorrhage and reduces neuroinflammation in mouse model

3 citations , January 2023 in “PloS one”

In this study, hair-follicle-associated pluripotent stem cell implantation improved functional recovery and reduced inflammation in a mouse model of intracerebral hemorrhage.

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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.

Who is suitable for DHI hair transplant? Clinics say DHI suits men and women with several types of hair loss, but they also say suitability depends on donor supply, scalp condition and general health, and only a personal medical assessment can decide it.
What is the DHI hair transplant technique? DHI is a hair transplant technique that uses a pen for direct implantation without incisions.
What does the donor area look like after a hair transplant? The donor area may show slight redness and tiny scars but usually heals well and is often concealed by remaining hair.
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learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

learn Hair Fibers

cosmetic product that temporarily makes hair appear thicker

learn Hair Multiplication

extract, clone, and reinsert your own hair cells

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Community Join

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community What Are the Technicalities of Curved Hair Transplantation?

4 upvotes 5 months ago

Curved hair transplantation requires specialized tools and techniques to avoid damaging hair follicles, with modified FUE being the preferred method. Proper extraction and implantation angles are crucial to prevent complications like keloids and sterile folliculitis.

community Understanding the Hair Transplant Timeline — A Medical Perspective

in Transplants 5 months ago

Hair transplantation involves a detailed consultation, preparation, and a long-term recovery process with stages like initial shedding and gradual new hair growth over months. Setting realistic expectations is crucial for patient satisfaction.

community 4 Month Hair Transplant Update: 3,153 Grafts (HLC, Turkey)

5 upvotes 3 months ago

A 35-year-old shared a 4-month update on their hair transplant of 3,153 grafts in Turkey, noting redness and uneven growth but hoping for improved density. They have been using finasteride for over 13 years and are optimistic about future results.

community 2 month hair transplant update - HLC Ankara - How we looking?

3 upvotes 5 months ago

A 35-year-old shared a 2-month update on their hair transplant of 3153 grafts, noting redness, itching, and some pimples, while using finasteride for over 12 years to maintain hair. Users discussed the effectiveness and timing of starting finasteride, with some suggesting consulting a doctor for young individuals considering the treatment.

community 10 day hair transplant update - HLC Ankara - How we looking?

100 upvotes 6 months ago

A 35-year-old had a hair transplant with 3,153 grafts at HLC Ankara, experiencing some pain and numbness but pleased with the density and results. The procedure cost $10,000, and the user has been using finasteride for over 13 years.

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Clinics

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Experts

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Unscored
SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas