If you are really baby faced then consider a beard.
Be a bit more serious. Keep longer hair to distract them from your face. You can also wear a ear stud.
The idea is to distract yourself from your baby face!
Else no body cares.
Only jewelry suiting a man is his attitude.
Your face value matters and not value of your face.
The more you signal it ,the more they catch it (Sixth sense sensitive girls).