Natural Asymmetry in Hair Growth Direction: Implications for Hairline Design in Male Patients

    March 2025 in “ Journal of Craniofacial Surgery ”
    JUNGAH KIM, Jian Wan, Taeho Jang, Kyu‐Ho Yi
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    TLDR Natural hairline asymmetry should be embraced for better-looking hair transplants.
    The study of 125 East Asian males with Norwood-Hamilton stage II or lower hair loss found a significant rightward skew in hair growth direction, with an average difference of 22.2 degrees between the right and left sides. This suggests that symmetrical hairline designs may look unnatural, and embracing natural asymmetry can improve aesthetic outcomes in hair transplant surgery. The study highlights the importance of educating patients about natural hairline asymmetry and recommends personalized hairline designs based on individual growth patterns. Further research is needed to examine the effects of ethnicity, skull morphology, and sex on hairline asymmetry.
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