not all, but a few npcs when they change their expressions and raise or lower the eyebrows, the brows will disappear under the skin of the forehead and reappear after the expression is over. i don't think it's my eyebrow textures as i tested some. could it be "tri" files? like femalehead.tri, femalechargen.tri ,ect. i think i even saw a femalebrow.tri in my files somewhere.

any ideas what could be causing this, and a fix? thanks!