Ardell Mechanical Brow Pencil Dual Purpose Triangular Tip For Precise Definition Creating a Fuller Brow This easy-to-use triangular shaped mechanical pencil has a fine pointed tip that creates thin lines and a flat tip that creates thick lines allowing you to build color and definition. Apply heavily for a full brow or lightly for a more natural effect. Use 1. Blend: Using slanted end of duo brush, fill in brows with powder. Custom mix the 3 colors for a natural shade. 2. Groom: Use the spoolie brush to comb back the brows. Apply wax grooming pencil to set the color and shape of brows. 3. Highlight: Sweep highlighter along the brow arch and blend outward to lift and accentuate the eyes.