If you were to create the world’s most gorgeous woman based on the beauty research published each year, she would have quite a checklist to meet.

For starters, her father should be young: A 2014 study in Evolution and Human Behavior showed that people with older fathers were rated as less attractive. She should have a reddish complexion, according to a February paper in Perception. As for her profile, research published in 2012 in the journal Plastic and Reconstructive Surgery found that her nose should be at an angle to...