If you mistakenly bought a shade that's darker than your skin tone, you can simply blend it with a concealer or mix it with a moisturiser. These can lighten up your makeup base… then you can set it with a finishing powder. If the shade is way too dark, use it as a bronzer or to contour instead, though. If you chose a lighter shade, you can use the right bronzer and some contouring. Brush a little bronzer on the areas that are too light, contour the right places, and sculpt it well. Alternatively, you can use the lighter shades to highlight your facial features.