April 2026 in “Aesthetic Plastic Surgery” This study reported that a standardized hair transplantation procedure significantly improved both patient and surgeon satisfaction with aesthetic results for East Asian women with non-ideal facial proportions, achieving a natural-looking hairline without significant complications.
October 2001 in “Dermatologic Surgery” This study found that horizontally bisected donor hairs can be used to create finer hairlines, with about 46-47% growth reported in transplanted hair shafts and bulbs.
46 citations
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May 2004 in “Facial Plastic Surgery Clinics of North America” This article discusses techniques for creating natural-looking hairlines in hair restoration surgery and reports no new clinical results.
2 citations
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March 2009 in “Hair transplant forum international” This article reviews key factors in reconstructing natural-looking hairlines in hair restoration surgery, focusing on the location, shape, and types of grafts, without presenting new findings.
March 2025 in “Journal of Craniofacial Surgery” This study found that male hairlines naturally exhibit significant rightward asymmetry, suggesting that embracing this asymmetry in hair transplant procedures may result in more natural-looking outcomes.