Low poly.
Modeled, sculpted, retopo in blender 2.9.
4 458 tris.
Focusing now on the hair, teeth and eyes before texturing.
Screenshot : lowpoly + normal map+ AO map + Glsl viewport + quick material and lightning.
You can see the high poly model here :
http://www.flickr.com/photos/lollito/sets/72157641887106114/