I think I see what you mean. The skin tone doesn't quite look natural. I hope you don't mind but I took the liberty and made a couple of adjustments in Photoshop. I bumped up the vibrance and saturation both a bit. I then opened the red color layer and reduced the red a tiny bit. I also selectively sharpened the eyes, nose and mouth a little. I'll take it down whenever you want.
adjusted.jpg