To blend in contour makeup, use your fingertips or a foundation brush to merge the colors and leave a natural look. When you’re blending, it’s important to not overdo it so the contour color is spread too far away from where it was originally applied or you’ll lose the contouring effect. Take care to blend it in smoothly so there are no visible lines between the contour makeup and surrounding makeup. Step 6 of Part 2 above will provide more detail on ways to highlight your face to boost the effects of the contouring makeup.