How to contour and have the perfect finish

Map your face as seen on the images on the first column using a foundation two shades deeper than your color,and one that's two shades lighter.
Use a beautyblender and Tap over the contour color, merging it into your base foundation. Tap in small circular motions using the rounded end of the beautyblender because it has more space. But for details like the sides of the nose, You can use the triangle side.
Concentrate the lighter foundation stick underneath your eyes,you can do a little bit in the center of the forehead and on the chin, and the bridge of the nose. Blend any excess product with a beautyblender after all these,use a fluffy brush to dust your entire face using your powder ..