Let's be real: sometimes your face needs a specialist before the main event. Step 0 is that specialist. It's the optional first move for your most demanding days, think waterproof drag looks, stubborn glitter glue, or any makeup built to survive the after-party. This step is designed to dissolve the indestructible, clearing the way so your Step 1 cleanse can actually clean your skin. For your everyday looks, Step 1 is all you need.