Fstoppers has a useful article on how to remove over-saturated reds in skin tones.
Firstly, create a blank hue/saturation adjustment layer in Photoshop and select Reds from the Presets menu.
Adjust the saturation level to the maximum, and use the sliders in the Hue/Saturation menu to control the hue, saturation and lightness of your image.
By playing with the sliders, you’ll able to achieve your desired skin color tone to get great, natural-looking results.
Read the full article to find out more about this simple and effective technique.
[via Fstoppers]