That stuff that gets trapped underneath your fingers when you scratch your head?!
Question: That stuff that gets trapped underneath your fingers when you scratch your head?
is that dirt or is that skin?
Answers:
Mostly skin, but certainly there's a bit of dirt too.
It could be either, most likely dead skin though, or possibly old gel or other hair product.
That would be call dandruff pretty much dead skin
Ur scalp skin i think and dandruff