When it comes to growing a full, thick, luscious beard, testosterone doesn't play as large of a role as you might think. In fact, the major factor in determining whether or not a man will grow a full beard is genetics. Population-wide studies have shown that testosterone levels in men with full beards and men who don't grow full beards are roughly the same. The reason some blonde men have red-haired beards is that they carry the redhead trait, and are expressing that gene via facial hair.
Share the knowledge!
Key Facts In This Video
The word for the ability to grow a beard is pogonotrophy. 00:06
Research shows that testosterone levels in men with full beards and men who don’t grow full beards are roughly the same. 00:50
Men's facial hair growth is more mediated by genetics than testosterone. 01:19
Wake up with the smartest email in your inbox.
Our Best Articles Daily