A larger bi-temporal width in comparison to bi-zygomatic width is considered attractive among males. A study reported that an attractive male face was found to have a longer, more dolichocephalic shape compared to strong, dominant, and masculine-rated men. Unattractive faces often featured a rounded lower face, a vertically stretched chin region, and horizontal compression in the eye and eyebrow areas. In cross-cultural studies, women found mesomorphic masculine body shapes with greater muscle mass more attractive than endomorphic body shapes with high body fat proportions. Attractive faces typically had a narrower lower jaw, a wider, fuller lower lip, and a longer facial shape. Additionally, according to a study, faces with shorter width were perceived as more trustworthy. Therefore, a larger bi-temporal width relative to bi-zygomatic width contributes to attractiveness and trustworthiness among males.
Bitemporal width, measured from the most lateral point on each side of the forehead. Bizygomatic width is defined as the distance between the most laterally positioned points on the zygomatic arches.
In the study “Geometric Morphometrics of Male Facial Shape in Relation to Physical Strength and Perceived Attractiveness, Dominance, and Masculinity” by Sonja Windhager at el (2011), Department of Anthropology, University of Vienna, Wien, Austria, carried out a statistical study examining the preferences of Seventy-nine woman using an experimental group of Twenty-six men which ranged from 18 to 32 years in age. The study concluded that “an unattractive face” consisted of “rounding of the lower face, a vertical stretching of […] the chin region, and a horizontal compression in the region of the eyes and eyebrows”
The study continues, “In a qualitative comparison study, Donofrio (2000) reported that a high amount of facial fat is often linked to a high body fat proportion”. “In a cross-cultural study, women rated an average (or mesomorphic) masculine body shape indicative of greater muscle mass as very attractive, whereas a disproportionately high body fat proportion (endomorphic) as least attractive (Dixson, 2009)”. “The attractive facial shape is comparably longer and more dolichocephalic than in very strong, dominant, and masculine-rated men”. “When perceived attractiveness is high, the lower jaw is narrower and not square and especially the lower lip is wider and fuller.”
Apart from attractiveness, according to the study “Valid facial cues to cooperation and trust: male facial width and trustworthiness” by Stirrat &Perrett (2010), the faces with shorter width are perceived as more trustworthy.
Windhager, S., Schaefer, K. and Fink, B., 2011. Geometric morphometrics of male facial shape in relation to physical strength and perceived attractiveness, dominance, and masculinity. American Journal of Human Biology. 23, 805-814. https://doi.org/10.1002/ajhb.21219
Stirrat, M., Perrett, D. I., 2010. Valid Facial Cues to Cooperation and Trust: Male Facial Width and Trustworthiness. Psychological Science. 21 (3), 349-354. doi:10.1177/0956797610362647