Formulated with Kakadu plum, cloudberry, blueberry seed, rosehips, and sea buckthorn oils which contain some of the highest concentrations of Vitamin C available, along with Tetrahexyldecyl Ascorbate, a stable form of Vitamin C, our Radiance Serum is an antioxidant powerhouse for your face that works to brighten and even skin tone, increase elasticity and collagen production, boost radiance and deeply hydrate to give your skin a lovely glow. Vitamin C is a powerful antioxidant with many benefits for skin. Research shows that high strengths of vitamin C (10% and higher) are particularly effective and provide a host of benefits for skin. It inhibits melanin production in the skin which helps to lighten hyperpigmentation and brown spots, evens out skin tone, enhances skin radiance, and protects the skin from environmental stressors such as free radicals. Store in a cool, dry place away from direct sunlight. Shelf life approximately 12+ months.