I took a look through the M4 characters in the marketplace here.

For the face might I suggest Quinn by GypsyAngel.

http://www.renderosity.com/mod/bcs/quinn-m4/88660

I would personally use dynamic hair, very easy to grow yourself. There are skullcaps for M4 over at ShareCG.

Poser 11 Pro, Windows 10

Auxiliary Apps: Blender 2.79, Vue Complete 2016, Genetica 4 Pro, Gliftex 11 Pro, CorelDraw Suite X6, Comic Life 2, Project Dogwaffle Howler 8, Stitch Witch