Draw a circle for the cranium
Add a vertical center line
Add a horizontal eye line
Mark the brow, nose, and chin positions
Extend the jawline from the sides of the circle to the chin
Refine the face shape
Place the eyes on the eye line
Place the nose between the eye line and chin
Place the mouth between the nose and chin
Add the ears between the brow line and nose line
Draw the neck below the jaw
Add hairline and hairstyle
Refine the features and proportions
Clean up construction lines
Shade and add details