Face Fit

Select the three marked vertices around the eyebrow and forehead region.
Face Fit: Forehead
Select three vertices to define the forehead area affected by the eyebrows.
The forehead fit placement uses three vertices around the eyebrow region.
These vertices define the area affected by the eyebrows.

Tip: place the outer and upper points far enough around the brow area to cover the full eyebrow deformation region.