Thanks! will give it a go again!
Addendum: I tried it and it still didn't come close to the results I'm seeing.
The skin will get over saturated while near solid colours will not get nearly as saturated as in the examples above. I know it could probably be done somehow with a mask and lots of trial and error, but I know he uses a batch action.
Well, the search continues, and I'm grateful for your help already.