Facial Aesthetic Ideals: A Literature Summary of Supporting Evidence.

The units that were most extensively studied were the nose, forehead, and lip units, and they also had a relatively higher impact factor than other subunits. Conversely, the chin and ear subunits had the fewest studies conducted on them and had a relatively lower impact factor. In order to provide a useful resource for readers, we believe it would be prudent to identify and discuss influential papers for each subunit.