That subsurface scattering model is not what you would use for skin, etc. It's a fairly simple approximation similar to what Unreal and Frostbite have used (use

That subsurface scattering model is not what you would use for skin, etc. It's a fairly simple approximation similar to what Unreal and Frostbite have used (use?) in the past to cheaply approximate somewhat translucent materials. It's mostly still a TODO because it's not that interesting.