ghostship2 posted at 1:49 PM Mon, 22 May 2023 -
#4466136To sum up: three PrincipledBSDF are involved:
- 1 for the Face material
- 1 for the Face part of the Lips material
- 1 for the Lips part of the material
I just tried different combinations of Scatter Group ID. when that ID are the same for the Face, in each material setup: no problem whatever the ID for the lips
Different values for those IDs generates this greenish effect

:
All three bitmaps nodes were using the picture you just sent me, Ghostship2:
And now, if I use mine, on which the clearer line is less visible:
The render show the clearer line again:
What I conclude: I will not get rid of, probably a question of morphology, shown here with SubD=1
Rendered using SubD = 2 is no different.
Anyway, thanks for the nostril trick: I love it.
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