in Simple Terms, Subsurface Scattering Maps are Mapping of how color of an semi translucent material should change when light affects it. the most common example being human skin turning a pinkish color when light is shining. (ex. 
in Simple Terms, Subsurface Scattering Maps are Mapping of how color of an semi translucent material should change when light affects it. the most common example being human skin turning a pinkish color when light is shining. (ex.