Great Brow Basics Eyebrow Pencil and GelAn all in one set for filling, defining and volumizing brows. Goof Proof Eyebrow Pencil easily fills and shapes brows with its 12 hour waterproof formula and custom tip. The Precisely My Brow Pencil draws strokes like natural brow hairs and has an ultra fine tip and a smudge proof formula that lasts up to 12 hours. For a fuller looking brow, use the Gemmy Brow+ Brow Volumizing Gel Brush on your brows. You can use the products alone or layer them on