Quote - > Quote -  It is VERY important to remember that almost nothing you encounter is going to have an IOR much higher than ~1.5, which would map to a spec color of about 55 in Reality. Going much higher tends to make things bizziarely semi-mettalic.

J, is that relegated to just the specular, or the top coat as well?

With specular, I do keep mine well under 50 in most cases, especially on skin. 

The top coat, on the other hand, I will stick to my numbers! Five of these characters have crazy values for top coats and, I think, look decent.

 

Intersting this looked like UE render to me hance the comment on D/A