My favorite brow tools Tom Ford What it is: A brow tool with a calligraphy tip on one end and a brush on the other to create tailor-made strokes from thin to wide for definitive Tom Ford brows. IT COSMETICS Brow Power in Universal Taupe What it is: A bestselling waterproof eyebrow pencil designed to blend with any color and define every shape. LTKFindsUnder50 LTKBeauty