It looks good except for the parts that don't. I pretty much have the same opinions as I first posted, except I see a smidgeon of SSS in the belly button, so that looks nice. But I don't see it around the nose or in the ears.

I still need my questions answered to provide specific advice.

It looks better than most people produce, but there are problems. First I need to understand how much light you're working with. I suspect it is too much.  I need to know if you're using shader GC. I need to see the light meter rendered next to the head. I need to understand what you're doing (or not doing) with the Blinn node. We need to talk about light level, specularity, conservation of energy, lots of things. But I have no data - just some renders that I know I can make better. But first I need to know where things stand before I can give accurate advice as to how to change it.

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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)