Sensai Designing Liquid Eyeliner Refill 01 is a precision refill designed to maintain the performance and intensity of Sensai’s liquid eyeliner for a flawless, long-lasting finish. Sensai Designing Liquid Eyeliner Refill 01 is enriched with silk extract and hydrating agents that ensure smooth, glide-on application, prevent dryness, and enhance the elasticity of the delicate eye area, leaving perfectly defined, bold, and luminous lines that last all day.