"This damn valley is huge..."
3ds Max -ZBrush - Marvelous - V-Ray - Ornatix - Mari - Ps.
for more information check the tutorial on 3dtotal
+ pores/ wrinkles done by hand using alphas/ brushes by Rick Baker, Kris Kosta, Adam Skutt; a xyz map for the lip details; a generic skin alpha for overall detailing
+ hair styling in ZBrush, exported splines as guides for Ornatrix
+ I recommend the Mirror Patches script for Mari by Beat Reichenbach
+ for reordering vertices: Morphix in Max, GeometryWalker in Maya