Universal C Skin Refiner Vitamin C Serum with SPF50 is a two-in-one daily 20% vitamin C serum with sheer zinc sunscreen that immediately brightens and protects skin from harmful UV rays and environmental stressors while reducing and preventing dark spots, the look of fine lines and wrinkles. WHAT IT IS?Double up your antioxidant protection and anti-aging benefits in one easy step with this breakthrough formula. Not only do you get the individual benefits of these powerhouse ingredients - 20% vitamin C and natural sheer mineral zinc SPF 50, but together they work synergistically to double your overall UV protection and ensure maximum anti-aging results.Our innovative serum formula is suitable for all skin types and skin tones and features natural sheer zinc mineral SPF, squalene for hydration, iron oxides to protect and green tea extract to reduce redness and soothe skin. It dries down invisibly, with no white cast on any skin tone and is SPF safe for oceans and reefs. Fragrance Free, Paraben Free, Cruelty-Free as well as Clinically and Dermatologist-Tested.