Benefit Great Brow Kit 4 The Benefit eyebrow kit meets all your eyebrow needs to draw your eyebrows professionally and accurately. It enables you to define and fix the eyebrow shape for a natural and attractive look. With a waterproof formula that contains very small fibers that adhere to the skin and hair for up to 12 hours. Smudge-proof. Water-resistant. Lasts up to 12 hours. Defines and fills in eyebrow gaps with ease. Gives you a natural and thick eyebrow shape. Information: The kit contains: Goof Proof eyebrow pencil. Precisely My Brow eyebrow pencil. Gimme Brow Thickening Gel.