I dunno if this is a bug or not, but it tells us what we need to know about the difference.  I set the thickness of the balls to 10% of normal and put the light behind it.  Skin 1, still on bottom definately has more yellow/tan in it than skin 2.

WARK!

Thus Spoketh Winterclaw: a blog about a Winterclaw who speaks from time to time.

 

(using Poser Pro 2014 SR3, on 64 bit Win 7, poser units are inches.)