Use a peach or orange corrector on the dark area
Apply a lightweight concealer one shade lighter than your skin tone
Tap product on with a damp sponge or small brush
Blend only the discolored area, not too far down the cheek
Set lightly with a fine translucent powder
Use minimal product to avoid creasing
Brighten the inner under-eye area more than the outer area
Keep the under-eye area well moisturized before makeup
Use a color corrector before concealer if the darkness is blue or purple
Choose a hydrating, crease-resistant concealer formula
Avoid applying thick layers
Use a small amount of setting spray after makeup
Reduce puffiness with a cold compress before applying makeup
Use an eye cream with caffeine before makeup
Highlight the cheekbone area to draw attention away from the under-eye area