August 2025 in “Journal of Cosmetic Dermatology” This study reported that hair transplantation using the FUE technique improves mid-upper facial proportions and the forehead contour in East Asian women with high and wide foreheads, yielding high patient satisfaction and favorable safety outcomes.
1 citations
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January 2014 in “Annals of Dermatology” This study surveyed hairline preferences and found that the M-shaped contour was most preferred overall, with lower forehead heights favored by men and those without a history of hair transplantation.
17 citations
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February 2018 in “British Journal of Oral & Maxillofacial Surgery” This paper reviews the evolution and classification of forehead reduction and orbital contouring techniques in transgender females, but reports no new clinical findings.
September 2025 in “The American Journal of Medical Sciences and Pharmaceutical Research” In this analysis, the authors examine how hairdressing techniques like thinning and micro-graduation can correct women's hairlines by softening optical contours and enhancing visual symmetry, emphasizing the relevance of individual factors such as morphology and stylistic expectations in selecting these non-medical approaches.
31 citations
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March 2011 in “Dermatologic Surgery” This study classified hairline contours in Asian women and concluded that their refined hair transplantation techniques may help correct wide foreheads with M-shaped or rectangular hairline contours.