What it is: A slanted-tip brow pencil that delivers up to 24 hours of waterproof, smudge-proof wear. What Else You Need to Know: Ideal for patchy or sparse brows, Aqua Resist Waterproof Eyebrow Filler is designed to deliver up to 24 hours of waterproof, transfer-proof color. This easy-to-use, twist-up pencil has a triangular tip to add shape and fill in desired areas. This formula glides on smoothly and blends easily with the attached spoolie. The pencil is smudge-proof, sweat-proof, and fragrance-free. It’s ophthalmologist-tested and does not contain animal-derived ingredients.