Separated his shirt to a separate object, and started detailing the head.
I like Blender Sculpt Mode. I prefer certain tools over similar tools in ZBrush or 3D-Coat, such as Blender's Elastic Deform tool, making use of Kelvinlets for silky-smooth deformation.
I painted this pastel painting on velour paper. The texture of this paper contributes to the dreamy, soft and somewhat blurred impression of the pastel painting.