VSS tells you what it is affecting when you synchronize. There can be no confusion about what it touched, since it gives a complete list of what materials it is changing and which template it is using.

So what does it say?

Further, go into the materials of the hair before and after - are they the same or are they different?

Since the Generic prop applies to any figure (based on the "Apply Rules" in it) then it stands to reason that it will do work on any figure. If the hair is a figure, it will look at it, but may do nothing to it if none of the shader rules match the material zone names on the hair.

And it doesn't just affect the skin. It also does eyes, teeth, tongue, nails, etc. There are rules in it, set up by default by me, to do all that. If you don't want it to do all that, you would have to modify those rules. The rules are expressed as nodes in the "Shader Rules" material on the control prop.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)