Versatile, double-ended brow tool with twist-up brow colour on one side & styling & blending brush on the other. Now you can line, define & accentuate brows with ease, balancing your eyes & framing your face. Estée Lauder Automatic Brow Duo comes with an initial colour cartridge plus one refill. Additional refills available. Use the brush end first, brushing hairs down to find your natural brow shape. Then use the colour end to fill in sparse areas, using short, feathery strokes to shape & even out the contours of your brow. Dermatologist-tested. Ophthalmologist-tested. Fragrance-free.