He can grow a beard.
I imagine its like one of those pump toys with playdoh?
If he wants long hair, anywhere, he may be able to will it into existence, like squeezing out a fart lost deep inside one of us.
0:10 in, yup, LOL.
Those things were a nightmare to clean as well...
Dunno about you, but I want to now buy a pound of that glop and make a wig out of it. Probably won't convince too many...