KRSTF wrote
The thing with CMYK is that I know the skin formula in CMYK read outs.
You do, for one kind of CMYK output. The numbers, depending on the recipe of CMYK and it's black gen is all over the map. Moot as LR doesn't nor needs to provide CMYK but again, CMYK is highly device dependent, a really inappropriate color model for this kind of work: Lab isn’t' and is supported in LR.
Here's a video on correcting skin tones without having to resort to CMYK:
Low Rez (YouTube)
http://www.youtube.com/watch?v=dWaFDKrNrwc
High Rez
http://digitaldog.net/files/SkinToneVideo.mov
A visual too:
