30 citations
,
June 2008 in “Dermatologic Surgery” In this study, the SAFE System for follicular unit extraction demonstrated a favorable average follicle transection rate of 6.14% and is accessible for physicians with basic technical skills, showing promise for wider adoption.
1 citations
,
September 2016 in “Indian Journal of Plastic Surgery” This article describes a modified follicular unit extraction technique using a reverse rake scalp elevator, which may reduce follicular transection rates in hair transplantation from the lower occipital donor region.
July 2025 in “Chinese Journal of Dermatology” This study concluded that the effectiveness and safety of a domestic follicular extraction system were similar to conventional follicular unit excision in patients undergoing hair transplant surgery for androgenetic alopecia.
1 citations
,
August 2024 in “Journal of Cosmetic Dermatology” This study found that while overall differences are minimal, oscillatory punches are significantly more effective than rotary punches for cases requiring hair extraction through soft scalps or deeper punches, and following structured guidelines can improve outcomes.
1 citations
,
April 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” In this study, the researchers found that depleting natural polyamines or manipulating translation rates can enhance the stemness of hair follicle stem cells, while N1-acetylspermidine increases proliferation without affecting translation.
23 citations
,
September 2014 in “Journal of The American Academy of Dermatology” This study reports that a robotic device effectively harvests hair follicles with a 95.1% yield in Korean patients undergoing hair restoration surgery.
14 citations
,
March 2017 in “Plastic and reconstructive surgery. Global open” In this study, various types of minor hair follicle damage were observed during follicular unit extraction, with paring and hair bulb injury being more apparent under microscopic examination.
1 citations
,
May 2021 in “International Journal of Dermatology” This article presents the surgical technique of long hair follicular unit excision (FUE) in hair transplantation and reports procedural and outcome data for 134 patients, without evaluating clinical outcomes.
1 citations
,
January 2006 in “Dermatologic Surgery” The SAFE System may reduce hair transplant transection rates but has been critiqued for not being as minimally invasive as claimed.
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.
7 citations
,
November 2021 in “Clinical, Cosmetic and Investigational Dermatology” This study describes a novel FUE device that may perform successfully across various patient scenarios, adapting to differences in skin firmness, thickness, and hair curliness.
5 citations
,
March 2011 in “Proceedings : 格差センシティブな人間発達科学の創成=Science of human development for restructuring the "gap widening society"” This study introduces a non-invasive photoacoustic imaging technique that accurately measures hair follicle density and subdermal angles, showing strong correlation with the gold-standard photographic method.
45 citations
,
August 2013 in “Facial Plastic Surgery Clinics of North America” This article reviews factors affecting follicular unit extraction, emphasizing the need to tailor procedures to individual patient characteristics, but reports no new experimental findings.
3 citations
,
July 2018 in “Journal of Cosmetic Dermatology” This study found that the sharp scissor technique in hair transplant surgery resulted in a lower hair transection rate without significantly increasing operation time compared to tissue spreader and skin hooks techniques.
4 citations
,
May 2017 in “Hair transplant forum international” This article discusses the historical development and recent rejuvenation of implanter pens in hair restoration surgery and does not present new research findings.
3 citations
,
October 2017 in “Journal of Cosmetic Dermatology” This study presents a new classification of adult human scalp hair patterns based on high-resolution photographs, which may assist hair restoration surgeons and dermatologists in determining appropriate punch size for follicular unit extraction.
4 citations
,
November 2006 in “Dermatologic Surgery” This study found that the survival of transplanted transected hair follicles is related to the level of transection, but their growth at the recipient site is not satisfactory, leading to a recommendation against transplanting sectioned parts.
27 citations
,
January 2006 in “Dermatologic Surgery” This study found that the SAFE System may improve follicular unit extraction by reducing follicle transection rates and broadening patient eligibility, with only minor adverse reactions reported.
June 2002 in “Seminars in Cutaneous Medicine and Surgery” Using a microscope during hair transplants cuts damage to follicles in half and could improve hair growth.
9 citations
,
May 2020 in “Journal of Cosmetic Dermatology” This review discusses various follicular unit excision methods, punch designs, and motorized devices, highlighting their roles in reducing hair follicle transection rates and optimizing graft harvesting for individual patient characteristics.
December 2024 in “Journal of Cutaneous and Aesthetic Surgery” This review highlights recent advancements in FUE hair transplantation techniques and technologies, noting significant improvements in reducing follicle damage and increasing procedure speed, while emphasizing the need for surgeons to choose suitable devices for each patient's specific needs.
October 2022 in “Hair Transplantation” This chapter outlines the sequential steps for using motorized follicular unit extraction machines with blunt punches in hair restoration, noting their advantages in minimizing follicle transection and providing tactile feedback.
8 citations
,
April 1999 in “Dermatologic Clinics” This study evaluates if using a dissecting stereomicroscope affects the rate of hair follicle transection during graft dissection, but reports no new conclusive results.
April 2015 in “MOJ Cell Science & Report” This study found that rat hair follicle stem cells can be effectively transfected with VEGF 165 using lentivirus vectors, suggesting their potential use in developing tissue-engineered skin with improved vascularization.
28 citations
,
March 2014 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” This study introduces the multiple papillary centres model, offering a new explanation for hair twisting by combining known hair morphology features with differential growth rates caused by dermal papillae.
41 citations
,
August 2013 in “Facial Plastic Surgery Clinics of North America” This article discusses the benefits, techniques, and unique considerations of follicular unit extraction for hair grafting, but reports no new clinical results.
15 citations
,
December 2007 in “Dermatologic Therapy” This review discusses past hair transplantation techniques for androgenic alopecia and current research to improve results, but it reports no new clinical outcomes.
June 2006 in “The American Journal of Cosmetic Surgery” Advancements in cosmetic and reconstructive surgery improve techniques and patient satisfaction.
13 citations
,
March 2013 in “Dermatologic Surgery” This review discusses the evolution and current practices of Follicular Unit Extraction (FUE) in hair restoration surgery, reporting comparable patient outcomes to Follicular Unit Transplantation (FUT), though noting controversies in its adoption.
27 citations
,
November 2008 in “Facial Plastic Surgery” This article outlines the technical aspects, benefits, and challenges of follicular unit extraction for hair transplantation, but it reports no new clinical findings.