What age do the facial hairs of a boy turn darker and harder?

I'm basically asking when do a boys hair on his face turn hard and feel bristly.What age do the facial hairs of a boy turn darker and harder?
Normally around 2 to 3 years after puberty starts. Puberty can start as young as 11 and some dont' start until they are 17 or 18 years of age.What age do the facial hairs of a boy turn darker and harder?
it depends..the age rage is usually from about 14/15- 17/18





my brothers 13 and he still has his peach fuzz :)