When your everyday black liner feels too safe, reach for the So Fine blue eyeliner pen from Studiowest. Designed with a precision felt tip, it delivers fluid, saturated pigment in a single stroke — no tugging, no skipping. The water-resistant formula stays vibrant and smudge-free, taking you from brunch to midnight plans with ease. Whether it’s a subtle flick or a bold, editorial wing, this is colour confidence in a pen.