$17 on maccosmetics.com When you create ombre lips, you have two choices. You can either make the outside of your lips look darker and fill in the inside with a lighter shade, or you can do the opposite. The important thing is to wear two different lip products that are similar in shade, so that they blend together well.

$17 on motivescosmetics.com When you buy Mac Cosmetic Night Moth (as shown above), your best bet is to buy this product along with it. They work together well, because they're so similar that the color difference will be subtle. Of course, they're also different enough to make it clear you're going for the ombre effect.

$5 on etsy.com You don't have to stick to wearing reds when you create ombre lips. You can always try creating pink ombre lips instead. If that's the look you're trying to achieve, make sure you purchase this product. Just make sure you pair it with the product below.