My guess is
You are rendering with IDL and you have some AO somewhere.
on a light or on a material.

I can go by train.
I can go by bus.
But I can not go by train and bus at the same time.

If you render with IDL, be absolutely SURE there is NO AO anywhere.

It works? From time to time you can get away with it.
Mostly however, they fight a fierce battle.

Oh, and that blue tint around the mouth? Will be gone soon.

Question;
Do you have SSS on the hair too?

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!