Thanks again for your recommendation, Stewer. It's still not perfect, but .05 is worlds better than the raytraced renders above. Pardon the colorization; I know what's wrong there. The interest here is the line where the lips join.

It's a mystery to me why lights load a .8 min bias by default. Wish there was a way to set that in General Preferences. (I do now have the lights in Preferred State set at .05, but that doesn't look after any new lights I add to a new scene.)

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Hardware: AMD Ryzen 9 3900X/MSI MAG570 Tomahawk X570/Zotac Geforce GTX 1650 Super 4GB/32GB OLOy RAM

Software: Windows 10 Professional/Poser Pro 11/Photoshop/Postworkshop 3