A color-free lipstick base that adds light moisture, smooths, and refines the look of lips. What it does: This conditioning, color-free base is made to be worn under lipstick. It adds light moisture, smooths, and refines the look of lips. It also creates a smooth lip surface, for easier makeup application and appearance—reducing lipstick feathering and providing long-term hydration. What else you need to know: This product is dermatologist-tested, fragrance-free, and oil-free.