I've been using Photoshop since over 3 years now, completely ignoring the 'Smart Blur' tool until reading this thread ....
Thank you very, very much for the link,djsretouchpro
I used The Smart Blur in the example attached .... Because of the size of the image and the very close pattern, It was nearly impossible for me to 'selectively' fade the skin blotchiness, but if you
...have some pixels to work with..
after running the Smart Blur Filter, you could try a Layer Mask (Hide All) and a soft white brush, to selectively correct the worse spots .... changing the Opacity of the brush you can also selectively increase or decrease the intensity of the correction ....
Very nice, Ken!