Characterization and Classification of Frontal Hairline Contours and Growth Directions in Chinese Women.

IF 2.5 3区医学 Q2 DERMATOLOGY Dermatologic Surgery Pub Date : 2024-08-20 DOI:10.1097/DSS.0000000000004376

Hailin Wang, Xin Li, Yingjie Zhao, Zhiqi Hu, Yong Miao

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Abstract

Background: Hair transplantation has become a major method for improving upper facial contour. Hairline contour (HC) and hair growth direction (HGD) are the main factors affecting postoperative aesthetic outcomes. However, studies on natural HC and HGD in Chinese women are scarce.

Objective: To summarize the HC and HGD of hairlines in Chinese female participants.

Materials and methods: Standard photographs of the forehead were obtained from healthy Chinese volunteers older than 18 years. Hairline contour features were classified into 5 groups: round, bell-shaped, M-shaped, rectangular, and triangular. Hair growth direction was classified into 5 groups: Type ⅠA, Type ⅠB, Type ⅡA, Type ⅡB1, and Type ⅡB2. The authors performed hairline corrections in female participants.

Results: A total of 568 women participated in this study. The proportions of participants with different HC features were as follows: round (8.10%), bell-shaped (15.84%), M-shaped (23.24%), rectangular (44.19%), and triangular (8.63%). The proportions of participants with different HGDs were as follows: Type ⅠA (7.75%), Type ⅠB (27.64%), Type ⅡA (30.81%), Type ⅡB1 (28.34%), and Type ⅡB2 (5.46%).

Conclusion: Both HC and HGD were categorized into 5 types in Chinese women. Shaping the hairline into a round type along with the preexisting direction was suggested in most instances.

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中国女性前额发际线轮廓和生长方向的特征与分类。

背景：毛发移植已成为改善上面部轮廓的主要方法。发际轮廓（HC）和头发生长方向（HGD）是影响术后美学效果的主要因素。然而，有关中国女性自然发际线轮廓（HC）和头发生长方向（HGD）的研究却很少：总结中国女性参与者发际线的HC和HGD：材料和方法：从 18 岁以上的健康中国志愿者那里获得前额的标准照片。发际轮廓特征分为 5 组：圆形、钟形、M 形、矩形和三角形。头发生长方向分为 5 组：ⅠA型、ⅠB型、ⅡA型、ⅡB1型和ⅡB2型。作者对女性参与者进行了发际线校正：结果：共有 568 名女性参加了这项研究。不同发际线特征的参与者比例如下：圆形（8.10%）、钟形（15.84%）、M 形（23.24%）、长方形（44.19%）和三角形（8.63%）。不同 HGD 的参与者比例如下：结论：HC 和 HGD 均可分为三类：ⅠA 型（7.75%）、ⅠB 型（27.64%）、ⅡA 型（30.81%）、ⅡB1 型（28.34%）和ⅡB2 型（5.46%）：结论：中国女性的 HC 和 HGD 均分为 5 种类型。结论：在中国女性中，HC 和 HGD 都可分为 5 种类型，大多数情况下都建议按照原有方向将发际线塑造成圆形。

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来源期刊

Dermatologic Surgery 医学-皮肤病学

CiteScore

3.10

自引率

16.70%

发文量

547

期刊介绍： Exclusively devoted to dermatologic surgery, the Dermatologic Surgery journal publishes the most clinically comprehensive and up-to-date information in its field. This unique monthly journal provides today’s most expansive and in-depth coverage of cosmetic and reconstructive skin surgery and skin cancer through peer-reviewed original articles, extensive illustrations, case reports, ongoing features, literature reviews and correspondence. The journal provides information on the latest scientific information for all types of dermatologic surgery including: -Ambulatory phlebectomy- Blepharoplasty- Body contouring- Chemical peels- Cryosurgery- Curettage and desiccation- Dermabrasion- Excision and closure- Flap Surgery- Grafting- Hair restoration surgery- Injectable neuromodulators- Laser surgery- Liposuction- Microdermabrasion- Microlipoinjection- Micropigmentation- Mohs micrographic surgery- Nail surgery- Phlebology- Sclerotherapy- Skin cancer surgery- Skin resurfacing- Soft-tissue fillers. Dermatologists, dermatologic surgeons, plastic surgeons, oculoplastic surgeons and facial plastic surgeons consider this a must-read publication for anyone in the field.