When it comes to nailing the white-balance in a photo, it's rarely an easy task, especially with portraits. It becomes even more arduous when you're trying to stylize the image a certain way, since you might not want the same tones and color balance in your skin tones as you do in the rest of your image.
Phlearn shows how those pesky skin hue challenges, doesn't have to be a challenge at all. Especially if you shoot outside, that throws off white balance and the skin tone of your subject. Learning ow to correct those terms will give you the upper hand.