One side of the pen is a liquid eyeliner pen, and the other is a brow pencil Sculpt Beautiful Brows: Shape, define, and fill in sparse or over tweezed brows with our ultra skinny Micro Brow Pencil; So precise it coats even the finest hairs with color for a natural looking finish Super Skinny Tip: Our super skinny tip draws extra fine lines so you can easily create the look of natural brow hairs. [TAKE CONTROL OF YOUR EYELINER] This sleek pen eyeliner glides on with ease and dries quickly to create the perfect eye. The highly-pigmented formula offers rich and deep colors. No skipping, smudging or pulling. [FINE PEN TIP] Our marker-like sponge tip makes it easy for everyone, from beginners to experts, to achieve the perfect eye. [SMOOTH LIQUID INK] Our smooth and silky ink consistency enables you to create a variety of effects, from thin/precise lines to dramatic/bold ones. All in one brush stroke. For thin and clean lines, use the tip of the pen. For thick and bold lines, use the side of the pen at an angle and apply more pressure.