Eos Evolution of Smooth Lip Balm Blueberry Acai immediately provides visibly softer, more beautiful lips. Eos Blueberry Acai Smooth Sphere Lip Balm is an all-natural, antioxidant-rich lip balm that is filled with refreshing blueberry and acai flavors. Eos Blueberry Acai Smooth Sphere Lip Balm is 95% organic, 100% natural, and paraben and petrolatum free. Packed with antioxidant-rich vitamin E, soothing shea butter and jojoba oil, Eos Blueberry Acai Smooth Sphere Lip Balm keeps your lips moist, soft and sensationally smooth.