Secrets To Drawing Realistic Faces -

Ensure you have a true black and a bright white highlight.

The human face follows surprisingly consistent mathematical rules. Secrets to Drawing Realistic Faces

In the real world, there are no outlines—only where one shadow meets a lighter area. Ensure you have a true black and a bright white highlight

Use a blending stump or tissue, but don't overdo it, or the drawing will look "muddy." but don't overdo it