I am pleased with the way that the face came out, however, the hair looks like veins. I was unsure of how to sculpt it so just did some basics, and will finish it once I've had a look at some videos. The mesh is awful, I wasn't paying attention to it when I started modelling so I didn't know what I was doing to it. Apparently I can import it into Z-brush and create a mesh?
I edited two heads in max (edited from SGMAN/WOMAN) to created the basic shape of the heads I wanted to create. I then began sculpting them, the female character is more progressed than the male. I have learnt much about Mudbox from both of them, such as paying attention to mesh structure and have become more comfortable with the tools in Mudbox in general.
Female head in Max
Male head in Max
First stage of male head in Mudbox.
***EDIT***
I removed the hair because it was distracting from the point of sculpt, which is the face.



I also used some tutorials that helped me learn a lot about the tools and processes used:
tutorial 1
tutorial 2
tutorial 3
tutorial 4
photo reference 1
