I used this same texture to create the skin details. I turned it into a black & white image and created a mask of it in ZBrush. Now I was able to use the Inflate brush and sculpt all the little skin details. This technique is explained in this video tutorial. I also included some volume for the hair with a custom brush. Finally I created and extracted a displacement map of the head.
Skin Shader
Now comes the hardest part: setting up the skin shader. For this image I used the Vreel Skin Shader, a plug-in shader for Cinema 4D that allows you to set up different layers of skin and which also includes a SSS effect. It is possible to setup parameters for specularity, surface and translucent. The shader is loaded in the Luminance channel.
Here is a first test render of this shader where only the color map is loaded.
As you can see, most of the texture has been ‘overwritten’ by the shader. That’s because I only loaded a color map until now. In the next picture I used an epidermal map and a subdermal map mixed together with a weight map. All maps are modified versions of the original color map.
This is how the luminance channel looked like after loading the different maps. The default color map is loaded into the standard Cinema Color channel.
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