MANHOOD MYSTERIES: Q: Why do guys grow facial hair?
A: One word: testosterone.
All people have testosterone in their bodies, guys just have a lot more of it.
It's an important chemical that fluctuates throughout your menstrual cycle.
Guys may not have a period (lucky!) but their testosterone plays an important role in creating sperm.
It's also what causes that beard to grow.
The real question here is: bearded or clean-shaven? What’s your choice?
Add Comment
Let’s Glow
Glow is here for you on your path to pregnancy
Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.
25+ million
Users
4.8 stars
200k+ app ratings
20+
Medical advisors