Ardell Brow Defining Kit The Ardell Brow Defining Kit includes a brow palette with three colours to custom blend the most natural shades; a highlighter to enhance brows; a duo brow brush that allows precise powder application; and a brow wax pencil to define brows. Kit creates defined, beautiful brows in no time. 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.