You'd probably want to skip the hue adjustment as well since that moves most of the skin tones from red towards yellow.
I probably should take a look again, but I've lost motivation. :-)
Something something
levels(3, 1.08, 255, 0, 255)
hue(channels="YM", sat=1.25)
hue(channels="B", sat=1.4)
-ish sort of thing. Haven't tried it though.