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This review discusses the use of cultured hair follicles for studying hair growth regulation and reports the challenge of modeling the entire hair cycle in vitro.

This study measured the lengths and depths of different portions of occipital scalp hair follicles and suggested cutting below 1 mm for hair regeneration procedures to avoid damaging the bulge zone.

In this study, the researchers reported that the hair transection rate during FUE surgery increased significantly by the end of the procedure, suggesting a higher workload affects the surgeon's performance.

This review discusses the advancements in surgical hair restoration over the past decade, focusing on optimizing follicular unit transplantation for better aesthetic results, but it reports no new clinical findings.

This review discusses long hair FUE, highlighting its appeal for those seeking discreet hair transplants and noting comparable graft survival and final outcomes to shaven FUE, but reports no new clinical results.

This article discusses the use of a robotic system for hair graft harvesting in hair restoration surgery, focusing on its capabilities and the advantages and disadvantages, but it reports no new clinical findings.

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.

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.

FUE can be successfully done on African-American hair by using larger punch tools and careful techniques to reduce hair damage.

This review discusses guidelines for hair transplantation tailored to East Asian patients, focusing on hairline design, donor harvesting, and graft techniques, and reports no new clinical results.

This study reports that using LED polarized magnification in hair transplant recipient sites can reduce eye strain and improve ease of site creation, but offers no graft placement advantage over traditional methods.

This study found that multi-hair follicles in nonbald men are primarily oriented perpendicular to the radial line from the crown whorl, suggesting perpendicular transplant grafts might mimic natural appearance.

Hair transplantation in East Asians needs special techniques to ensure natural results and prevent complications due to their unique hair and scalp characteristics.

This study reported that follicular unit extraction using nonhead hair sources like the chest or beard may successfully restore hair density and achieve aesthetically pleasing results in severely bald men with limited head donor hair.

This abstract reviews the evolution of hair restoration techniques, from 19th-century surgical scalp flaps to modern FUE and FUT methods, without providing new clinical findings.

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.

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.

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.

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.

This report describes the use of a robotic system in hair restoration surgeries, showing that it reduces physician fatigue and variability in graft extraction while achieving high patient satisfaction and rapid healing.

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.

This study found that using polarized magnification during hair transplant procedures may ease recipient site creation and reduce transection of existing hair follicles, potentially maximizing hair density.

This review highlights that robotic hair transplantation reliably and efficiently extracts follicular units with transection rates comparable to manual methods, potentially allowing more physicians to offer hair restoration without needing additional staff, and notes ongoing software advancements that could enhance aesthetic results.

The researchers reported that using a skin-responsive FUE device in nonscalp hair transplantation significantly reduced graft transection rates compared to older methods, improving patient satisfaction and surgeon willingness.

This study found that using a trapezoid strip in hair transplantation for androgenetic alopecia minimizes follicular unit transection and yields significantly more grafts compared to an elliptical strip.

Robotic-assisted hair transplant is effective and less painful, but needs more evaluation for long-term results.

Best hair transplant results happen when tissues are least damaged.

This study found that transfecting hair follicle stem cells with a PEI-DNA complex expressing hTERT stimulated hair growth in rats by inducing follicle neogenesis and promoting the anagen phase.

This study found that lncRNA RP11-818024.3 transfection promoted hair growth in AGA mice and increased cellular proliferation in vitro, potentially involving the FGF2 and PI3K-Akt pathways.

This study proposes the miR-22-5p-LEF1 axis as a novel pathway that may regulate hair follicle stem cell proliferation.