Hi,
Right away I noticed that the guides are not grounded. You need to set a distribution mesh(head or scalp) and attach the roots:
More info here: https://www.youtube.com/watch?v=w-Qhm7_Ff40
Second, I noticed that you have a very low hair count:
Keep experimenting with the Iterations parameter, the hair count and you may need to add a distribution/multiplier map to define the area where the hair should grow. That will help you define a better hair line.
Jeordanis Figuereo (Product Designer. EPHERE Inc.)