This is looking very good. There isn't too much I can pick out but there are small things like cleaning up the eyelids a bit which are somewhat wobbly. You could also push the wrinkles a bit more. As for hair, there are many ways. I'm not sure about sculptris but I think there is a pinch tool. I would use that along with…
You have some really cool illustrations, and congrats on getting published in Exotique and Expose. I'd love to get my artwork in there some day :) As for crits, you could exagerate the arch in the lower eyelid to help open it up a bit more, and also thicken the edge of the lids (or push the eyes slightly back. Opening the…