A study in Poland found that men who are more strongly motivated to enhance their social status, experience higher competition from other males, and are more stressed about their gender roles are more likely to care for their facial hair. This suggests that men might maintain beards, mustaches, or a clean-shaven look as a self-presentation strategy to enhance their standing within their social networks. The research was published in the Archives of Sexual Behavior. In humans, facial hair is a feature that primarily appears in men after puberty, driven by the action of male sex hormones. As a r…