How to Shape Eyebrows The shape of your eyebrows can enhance your appearance by flattering your facial shape, balancing your features, and framing your eyes. If you have thick, full eyebrows, you might need to tweeze them; if you have thin, small eyebrows, you may need to fill them in with a pencil. Either way, here is how to find a shape that's flattering to any face. Method One of Two: Determine Your Ideal Shape Determine where your inner brow should end. Hold a straight edge, such as an eyebrow pencil or a ruler, vertically in front of your face. If you want your eyebrows farther apart, line it up so that it touches the outermost of edge your nose and the inside of your eye. If you want your eyebrows closer together, line up the straight edge with one side of the septum. These lines will determine where your eyebrow should start. Mark that spot with an eyebrow pencil. Repeat...