Sculpt and shape your brows in one place with
Bobbi Brown's
Perfectly Defined brow pencil. Part of the beauty buff's less-is-more collection, this tool features a chiselled tip infused with rich pigments that work to draw hair-like strokes with soft definition. Designed to slot inside your existing pen, this refill ensures you never run out of your favourite product. Oh, and once your arch is lifted and your gaps filled, you can rest assured they'll stay in place thanks to the waterproof formula.