Human faces are so intriguing and so different one from another. It is fascinating to paint and particularly to draw human portraits and I always will be doing that. However, I don't do this as commission work as this is, in my opinion, too personal, to be sold by order. Animals have also great personalities and it is more proper to paint or draw their portraits. Hence, the custom Pet Art that I offer on this website.
Below are some examples of techniques I use. But my favourite medium to create portraits is in pencil.