Benefit Precisely My Brow Detailer MicroFine Pencil (0.02g / 0.0007oz) features an ultra-precise 0.8mm tip that effortlessly draws hairlike strokes to define and fill brows naturally. The creamy, waterproof formula locks in place for up to 12 hours, resisting smudging. It includes an integrated spoolie to blend and tame brows for a polished finish. Available in a range of shades to match your brows seamlessly.