Prep + Prime Lip is a colour-free lipstick base that adds light moisture, smoothes and refines. A colour-free lip base to wear under lipstick. Provides light hydration, smoothes and refines lips. Enhances the appearance of applied lip products. Reduces lipstick feathering, provides immediate hydration, is fragrance-free, oil-free, and dermatologist tested. MAC Prep + Prime Lip is a solid conditioning primer that will nourish and smooth lips before the application of lipstick. Formulated with antioxidants and emollients to hydrate and retexturise the lips, the colour-free base helps to reduce lipstick feathering whilst giving applied lipstick a professional and flawless finish. Presented in an easy to apply retractable stick form, Prep + Prime Lip is suitable for all skin types. Dermatologist tested.