Article in English: Whether you bought the wrong one and can’t return it or you’re still finishing an older bottle, you can customize the color of your foundation to create a better match for your skin. One way to make foundation lighter is by applying it with a wet sponge instead of your fingers. You can also make foundation lighter by mixing it with:  Moisturizer Primer A lighter foundation Concealer or finishing powder Just as you can lighten foundation that’s too dark, so too can you make a foundation darker if it’s too light for your skin. To make foundation darker, try:   Adding blush or concealer Mixing it with bronzer Combining it with a darker foundation or tinted moisturizer Foundation that isn’t right for your undertone can be customized as well. To make your foundation match a yellow undertone, add turmeric. Add a pinkish-brown blush to match a more pink or blue undertone.  To make a foundation more brown, add cocoa powder.

Summary in Vietnamese:
Làm sáng màu kem nền có màu tối. Làm đậm màu kem nền có màu quá sáng. Thay đổi màu kem nền.