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Published on: November 4, 2025
Defining the Ideal Cranial Vault Height Ratio Via Morphometric Analysis: A Preliminary Study
Guo-Hao Yuan1, Jia-Ying Xu, Yu-Hao Zhou
1All authors are affiliated with the Department of Plastic and Reconstructive Surgery, Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou City, Guangdong Province, People's Republic of China.
Background:
Systematic studies and a clear consensus on the ideal cranial vault height ratio (CVHR) remain lacking.
Objective:
To identify the optimal CVHR in Chinese women using morphometric and perceptual analyses.
Methods:
We conducted an observational study analyzing photographs of 99 women from the TCC Asia 2020 list ("100 Most Beautiful Faces in Asia"). The CVHR was defined as the distance from the hairline midpoint to the cranial apex (bc) divided by the distance from the inner canthi to the cranial apex (ac), that is, bc/ac. In addition, an online survey asked respondents to rank standardized virtual facial models with varying CVHRs (0.55-0.75) from most to least attractive.
Results:
Morphometric analysis of 99 Asian female celebrities revealed a mean CVHR of 0.640 (SD = 0.078). Online survey data from 552 Chinese respondents indicated that a CVHR of 0.650 was ranked as the most attractive, followed by 0.600, whereas 0.550 was the least preferred. However, aesthetic practitioners exhibited a distinct preference for a CVHR of 0.600 over 0.650.
Conclusion:
A CVHR of 0.60 to 0.65 was perceived as most attractive in this cohort of Chinese women, providing a preliminary quantitative reference for aesthetic cranial contouring procedures.
Level Of Evidence:
Level IV.
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