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If you own Cinema 4D Visualize or Cinema4D Studio, you can render human skin realistically using Subsurface
Scattering. By placing this shader in the Luminance channel (click on the small arrow next to Texture and select
Subsurface Scattering from the Effects menu) the effect is created when rays of light meet a slightly transparent
object. Some rays infiltrate the object further and are dispersed, others are directly absorbed or bounce off.
Further possible uses for this effect would be for materials such as plastic, milk, candle wax or figurines made of jade.
You can load black & white textures into the alpha channel to influence the material based on the texture’s brightness,
similar to the way you would use them for the bump or displacement channels. The texture’s black areas would be
rendered with a transparency of 100%. As the texture becomes brighter the transparency is reduced accordingly.
White would have a transparency of 0%
If you choose Shader instead of New Material under Create in the Material Manager you will see a list of 3D shader
presets. The advantage of these shaders is that you don’t have to worry about mapping your texture or seams in your
texture because a 3D shader will be calculated for the 3D space. Here are a couple described in detail:
Cheen: Generates an electron microscope effect good for the depiction of bacteria or mites.