In page 227 of Human by Michael Gazzaniga, we find that babies as young as six months old prefer to look at attractive faces. And here we mean that such attractive faces are the ones that adults prefer. This effect is independent of race, gender, as well as age. This indicates an innate sense of what a human judges to be attractive. ( Langlois, Ritter, Roggman, Vaughn. 1991. Facial diversity and infant preferences for attractive faces. Developmental Psychology 27)
But what is judged to be attractive? It is found that women who are attractive are also healthy, more feminine, as well as possess higher estrogen levels to be able to reproduce better. ( Lawsmith, Perrett, Jones, Cornwell, Moore, Feinberg, Boothroyd. 2006. Facial appearance is a cue to estrogen levels in women. Proceedings of the Royal Society in London, Series B: Biological Sciences 273)
It is interesting to note that sexual selection has provided an aesthetic concept for facial attractiveness.
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