Achieve ultra-precise, hair-like strokes for the most defined and natural looking eyebrows yet. The pencil features a smooth and break resistant formula, an ultra slim 1.5mm precision tip, and built-in spoolie brush to create precisely defined brows. Available in six shades ranging from light blonde to black brown. --Our new ultra slim defining brow pencil features a one and a half millimeter tip, smooth formula, and spoolie brush. No pencil breakage and no color streaks. The ultra slim one and a half millimeter tip draws on precise hair-like strokes for a natural look. New, ultra-smooth formula.