These days is given highlights to naturalness in fashion for strong and thick eyebrows, so rarely that woman still shape them into thin lines.
The secret lies in discreetly draw the eyebrows with pencil designed for their display, their outline. But be careful not to overdo his application because too prominent brow loose naturalness and act rude and intrusive.
Then cross over them with a finger on the discrete line or with brush so not be clearly visible on the skin.
If you do not have such specially pencil called exponent (highlighter) for eyebrows, you can get it in any store for cosmetics.