Is there a review of the state of the art in skin rendering somewhere? Maybe I'm wrong, but wasn't it concluded several years ago that for realistic skin we wou

Is there a review of the state of the art in skin rendering somewhere? Maybe I'm wrong, but wasn't it concluded several years ago that for realistic skin we would have no option but to use multi layer subsurface scattering? (honest question, I seem to remember that the last time I read about this around 2007-2008 the consensus had just about converged to that conclusion).