Brand new full size 0.003 oz An ultra-slim, retractable pencil for precise detailing and creating hair-like strokes. What it does: Brow Wiz's ultra-fine, retractable tip is perfect for spot-filling in areas where brow hair is sparse by mimicking fine, hair-like strokes. This pencil is idea for places where your arches may be bare or over-tweezed, and the smudge-proof formula stays put day for fresh, natural-looking brows.