Mighty Fine Waterproof Brow Pen, #3.5

Benefit Cosmetics' Mighty Fine Waterproof Brow Pen #3.5 delivers precise, hair-like strokes for natural definition. The liquid pen dries quickly to a smudge-resistant finish without feeling heavy. Ideal for sparse brows or anyone shaping and filling with control, it performs well for quick touch-ups and all-day wear while keeping a defined, natural look.