A couple of things - 1) how did you white balance this image? If you selected a "flash" preset, just remember that you are bouncing the flash off of your ceiling and surrounding environment, and the light is picking up that cast as well - the preset may not yield accurate or pleasing results.
2) in CaptureOne, there is a tab in the White Balance tool that permits you to establish a white balance based on skin tone (see attached screen shot). When skin tone is a priority, maybe this will help, assuming you can get close with one of the presets. You can also isolate the skin tone in the Skin Tone tab of the Color Editor tool and tweak it to your heart's content. Try using the Uniformity slider to smooth variation in the skin tone as well. This way, you are not trying to get the desired skin tone by having to manipulate the entire color range of the image (i.e., with the WB sliders).
Using the Color Editor, you can isolate the skin tone and you do not need to apply any layered, local adjustment or resort to using an adjustment brush like in LR.
FYI - on my display, the first image looks about correct (slightly cool), but desaturated; the second image looks like the skin tone has a bluish, cyan cast. The rendition above by GIX-600 looks reasonable and pleasing but has added warmth to the entire image (the background walls, etc.).
If the first image was slightly cool (blue) and you saw it as too red, and removed red, then removal of red is like adding green/cyan. Also, your second image has no color profile tag embedded - because the first one was sRGB, I assume that the second one is as well.
Coincidentally, Phase One just has a webinar about portrait retouching in CaptureOne - I have not watched it yet, but here is the link:
http://blog.phaseone.com/learn-retouching-best/
maybe this will give some more tips.
kirk

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