If you’re new to the concept, a lip combo is simply a mix of products layered in a specific order to create the perfect final look—think lip liner with gloss, lipstick with lip oil, or all of the above. Allure commerce producer Sarah Hoffmann applying her lip combo Sarah Hoffmann Hoffmann after before applying her lip combo Sarah Hoffmann "Sans product, my lips are basically the same shade as my (very pale) skin, so I tend to tread lightly when it comes to lip combos, since I wear pretty minimal makeup on an average day.