What it is: A bestselling waterproof eyebrow pencil designed to blend with any color and define every shape. What Else You Need to Know: This award-winning eyebrow pencil takes the guesswork out of finding your perfect shade. Featuring a nourishing, waterproof formula infused with antioxidants, biotin, and green tea, this brow pencil transforms all hair colors based on how much pressure you apply—creating defined, natural-looking eyebrows.