Ah, hm.
Well, first problem I'm noticing is you seem to be just freehanding it. Fill out the head as if she's bald first, then post that!
Once that's done, figure out the hair lines! Basically, the hair lines are the big divides on our scalp where hair stops and starts. There's parts on the left and right side of your hair, for example, and your hair usually stops at the forehead too!
The concept here is to try and figure out those bigger groups so you have an easier time directing hair in a believable way.
An illustrative example I made: