What It Is: Mistake-proof liquid eyeliner is designed to deliver intense color in one steady sweep. Ophthalmologist tested. Safe for sensitive eyes and contact lens wearers. Allergy tested. 100% fragrance free. What It Does: Clinique's High Impact™ Easy Liquid liner is a mistake-proof eyeliner pen that creates a clean line in one steady sweep. Ultra-pigmented formula lines and defines with intense color payoff. Long-wearing, waterproof liquid eyeliner lasts 24 hours to keep your look fresh all day. How To Use: Create a range of looks, from natural definition to a bold cat eye or dramatic winged effect. To draw a thin line, use the pen's narrow tip. For a thicker line, lay the pen flat. Remove with your favorite Clinique eye makeup remover.