The Iconic Waterproof Brow Pencil by Boom Beauty is designed for women seeking effortless, natural-looking brows with clean beauty benefits. Its smooth, blendable formula glides easily, delivering precise hair-like strokes that last all day. Infused with nourishing Castor Seed Oil and Vitamin E, this pencil helps condition and protect your brows while adding fullness and definition. Available in Cool Taupe for lighter brows and Chocolate Brown for darker brows, it is perfect for creating natural, smudge-proof looks.