That is due to SSS being turned on for surfaces inside the mouth. Logical if your going to have the mouth open or parted but for a closed mouth render not necessary at all. Either way there are two solutions. 1 is to make sure that all lights used in the scene have shadows turned on. 2 turn off the SSS inside the mouth for all those surfaces. Some characters come with a sss inside mouth option. If not you need to go to the surface tab with the character selected. Click the default templates. when that opens select template 4 as it will select all the inner mouth surfaces at once. Go down to subsurface off-on and slide it from 1.0 to 0.
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That is due to SSS being turned on for surfaces inside the mouth. Logical if your going to have the mouth open or parted but for a closed mouth render not necessary at all. Either way there are two solutions. 1 is to make sure that all lights used in the scene have shadows turned on. 2 turn off the SSS inside the mouth for all those surfaces. Some characters come with a sss inside mouth option. If not you need to go to the surface tab with the character selected. Click the default templates. when that opens select template 4 as it will select all the inner mouth surfaces at once. Go down to subsurface off-on and slide it from 1.0 to 0.
Having lights not set to cast shadows can also be a factor.
Hi folks, I have noticed the mouth glow when I have applied the 'Interjection.' product.
Had to try a combination of all of your suggestions, and finally it's gone. Thanks everyone.