Keywords creamy texture eyeshadow water resistant formula dual-ended pen Benefits One side of the dual-ended pen has a dark shadow and the other side has a light shadow, so you can use it from day to night. Type Eyeshadow Pen What it is A dual-ended shadow pen that allows you to shade, line, smudge, and highlight to create easy smoky looks. What it does This eyeshadow comes with a creamy texture and water resistant formula.