Benefit brow microfilling pen in color lace is what ultimate tool to to create natural past, the laws rich brows. It unique three thanked tip makes what easy to create exactly definition past, the laws fill in brows, while with to dè looks natural out. Application: lining to apply product, bowl you start with to brush your brows with brush lining to shape them. Then bowl you use it three thanked tip to to fill past, the laws define your brows with short, light strokes. Lining one more intense look can you repeat process, till you achieves it desired fullness past, the laws definition.