Anti-Dry Ink: With improved anti-dry formula, the new iMethod eyebrow pen has a much longer product life cycle and more stable usage performance | Upgraded Capacity: A significant upgrade on the capacity (3MLs) comparing to the original 1ML eyebrow pen, brings 3 times longer usage out of each 1 eyebrow pen, more durable and cost-effective | Realistic Hair Like Strokes: The tiny fork tip of iMethod eyebrow pen can create thin and precise lines that look exactly like human hair | Long Lasting: Waterproof, sweat-proof, and smudge-proof; Stays on all day in the place and lasts up to 24 hours if not rubbing the brows too hard | Important Note: Shake the eyebrow pen up and down several times before use; When NOT in use, Keep the cap TIGHT and Keep it UPRIGHT-TIP DOWN to ensure the tip can't dry out