Most heads sprout on top, but some, if left fallow, will extrude carbon-based strings from their southern latitudes as well.
Sure, modern life is full of enticements to go at the strings with many tiny blades, specially configured to go from very sharp to very blunt in a minimum of time, but there's a lot to be said for the alternative. That most time-honoured of creative pursuits: Doing nothing.
Let those strings accumulate. Let them tangle and twirl. Give them sweet sweet time. See how they go.
Then take them for a ride.
BONUS TIP: Facial contusions in the event of traumatic asphalt contact are known to be minimised by a dense follicular halo. That's why “didn't have a beard” is expected to overtake “wasn't wearing a helmet” as a source of cyclo-obit flame wars by around 2015.