An Analysis of Shapes and Location of Anterior Hairline in Asian Men

December 2022 in “ Archives of Dermatological Research ”

Han Jo Kim, Ji Hwoon Baek, Yoo Ree Lim, Jong Hyun Kim, Sung Min Yang, Jae Sook Koh, Seung‐Min Oh, Min Kyung Shin

anterior hairline androgenetic alopecia hairline shapes hairline locations forehead ratio hair loss treatment reconstructive surgery cosmetic applications hairline evaluation

TLDR The study created a new system to classify Asian men's hairlines to help with hair loss treatment and cosmetic procedures.

The study analyzed the anterior hairline shapes and locations in 461 Asian males without androgenetic alopecia from various countries, including China, Japan, and South Korea. The researchers classified hairline shapes into M-shaped, rectangular, round, and wave-shaped, and hairline locations into high, middle, and low based on forehead ratio. A novel classification system was developed, with the most common types being MM (23.94%), RM (18.00%), and ML (11.04%), while the least common were OL (0.58%), OH (2.34%), and WH (2.74%). These findings aim to set standards for hairline evaluation, aiding in hair loss treatment, reconstructive surgery design, and cosmetic applications.

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