What it is The Detail Brush is the perfect tool for getting a detailed highlight and contour application. How you use it Use the large, flat end for thin and detailed contouring and the small, rounded end for smoothing Highlight in with precision. Why it’s better If you’re looking for a tool for a petite face or an exact application, the Detail Brush provides a beautifully blended solution. Double-ended brushes save space in your bag and make your beauty routine a breeze.