hybridmoments82 wrote:
... I tried a VERY watery eshin grey to see if I could wash it but it sorta just ran into the crevices of the face...
This is a basic brush control issue:
You need far, far less paint on the brush. Wick excess off onto a paper towel, and apply less pressure with the stroke to the model.
As to colour; usually I use a dark grey glaze (thin paint, very litle put down with the stroke).