Ulta E.l.f. Cosmetics  Holy Strokes Micro-Fine Brow Pen

e.l.f. Cosmetics' Holy Strokes Micro-Fine Brow Pen features a precision tip for creating thin, hair-like strokes for your most natural-looking brows. Ideal for detailing and leveling up your brows' dimension, the waterproof and smudge-resistant formula stays put for a long-lasting look.