The human head is one of the most difficult subjects to model. The structure and form of a human face is so familiar to everyone that even a small fault in the 3D model is easy to notice.

The head will get its final form when Meshsmooth modifier is added to it. When the Meshsmooth modifier is added to it the face becomes a so called subdivision surface. Subdivision surface means a surface which is created by dividing the original surface into smaller polygons. Meshmooth modifier does exactly this. This tutorial from http://www.secondpicture.com covers the basics of modeling a human head from rough polygons down to subdivision and meshsmooth.

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