Using the reference image I mapped out the face from the canvas, duplicated it 4 times and using a combination of dodge, burn and curve adjustments.
step 3 of 4
Again using the reference as a guide I created her eyes as show in the image. I used similar technique for the nose and mouth.
step 4 of 4
I cut out a strip of the thatch and used warp and them liquify and smudge to create a basic hair layer which I duplicated ad nauseum with filters and resizing/rotating/mirroring and added numerous masks to achieve the final effect