Nuxe Natural Christal Lip Balm (7ml) This Natural Christal Lip Balm from Nuxe works to nourish and protect lips, leaving them looking and feeling silky soft. Giving a transparent glossy effect, this Lip Balm is formulated with a natural combination of Mango and Shea Butters, with Sweet Almond and Sunflower Oils to intensely nourish the skin. With added SPF15 protection filters and Vitamin E, this balm prevents climatic damage and gives the lips a replenishing effect that lasts.