PIXXO 3D covers the basics and shows a simple method of sculpting a head in Blender.

Pixxo 3D Juandre (Jay) Labuschagne’s latest tutorial covers working with Blender’s sculpting tools to create a simple head. Blender sculpting has many features that concept artists and sculptors need, in the convenience of never having to leave Blender.

Juandre shows a simple step-by-step method to create a head in Blender, starting with simple shapes and then using a few sculpting tools to refine the forms.

An Easy Way to Sculpt Head Proportions.

Also, this tutorial from Grant Abbitt covers how to sculpt head proportions almost effortlessly. Typically correct proportions will make or break a model, and here Abbitt describes a way that you can use to get it right every time.