Quote - It's hard to do proper non-European skin tones with Scatter on Skin, which is what most people use for SSS in skin.  That scatters a pale pink, whcih can work for some light skin, but is more "off" for darker tones or less pink ones.  That's actually explicit in Skin and Skin2.  They were only designed for light, pink skin. 

What can do is separate out your dermal and subdermal scattering.  Dermal should change with your skin type and melanin.  It should basically be a light, desaturated base with different amounts of yellow/tan (depending on melanin), and be wide but not deep.  Subdermal should be red and less wide (flesh being denser than skin) but deep. 

Personally, I use two Custom_Scatter, some edge blend, and some other tricks to make skin.  I mix based on the skin type and tone.

Here's an example of the Elite Marie texture with my skin shader (sorry, it's only on deviantARTT right now):

http://kobaltkween.deviantart.com/art/The-Look-II-348227822

And I've attached an image with a more tan texture than that one.   I sort of hacked it together by mixing maelwenn's Vanessa and J.King's Alayeh together.  It's still probably darker and flatter than you're thinking of, but I thought I'd include it as an example of what I've done with this method.

Neither are Native American skin tones, I realize, but what I'd consider a fairly realistic darker skin tones.   I also realize that only addresses the material.   I've only bought one NA texture set, and I can't quite say the skin tone is realistic.  Most I see just don't seem quite right in hue or saturation, so I can understand your concern (not quite right to me is probably glaring to you). 

That said, I also find it hard to find very pale textures, but I often make do with what I have and Photoshop.  As long as I have a decent detailed base, some decent skin brushes (there are tons on the Web) and some idea of the tone I want to achieve, I can do pretty much anything I want.

 

I would like to see the node set up on this one! I am quite frustrated by the scatter node setups that are around because they seem to take my textures and lighten them and don't get me started on the specularity being way, WAY too much.

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