The final conclusion? Apparently, we like a smattering of stubble when looking for a fling, but when it comes to long-term relationships, the full beard is where it's at.
"Preferences for light and heavy stubble were higher when rated for short-term than full beards and clean-shaven faces," the findings read.
"Full beards and faces with stubble received higher ratings than clean-shaven faces for long-term than short-term relationships.
While the findings were grim for clean-shaven men, coming in as the last preference on both counts.
This article originally appeared on InStyle.