I wanted to take an old head of mine and put it in Substance Painter to try and paint realistic looking skin. It was a lot of fun to work on such a quick project.
You can also download the files at my store if you'd like to poke around how I approached this material.
https://www.artstation.com/nathanbrock/store/jrGY/realistic-african-male-head-lowpoly-and-textures