A mistake-proof pen eye liner that creates a clean line in one steady sweep. Gives bold lines with instant color lay-down and stunning intensity even with one stroke. It creates a fast-working, no-transfer, no-fade film which lasts all day. With its ink tank inspired by the classic calligraphy pen, it glides on smoothly and delivers a fade and run-resistant finish, providing constant color dispersion. Makeup can easily be removed with lukewarm water. IASO is a prestige brand of Korean skincare products. Awarded 1st Place in Skin Care at the 2016 Korea Consumer Satisfaction Index, IASO takes beauty out of its essence and brings upon you a shine beyond your expectations. Discover your glow with IASO. Easy to Remove. Innovative Film-Polymer Formula. True Black Color.