Revolution Instant Brow Hair Pen for fuller, fluffier brows in an instant. This tool features an ultra-fine, six-pronged precision applicator for effortless hair-like strokes, perfect for filling sparse areas and adding definition. Available in three shades: Cool Brown, Warm Brown, and Dark Brown. To use: Outline brows lightly with short, light strokes. Draw hair-like strokes in sparse areas to build fullness. Blend with a spoolie for a natural finish and set with brow gel if desired. Cruelty-free and vegan.