Skingredients Skin Shield SPF 50 defends against environmental aggressors. This moisturizing sunscreen protects skin from UVA and UVB rays, blue light, pollution, and infrared. Niacinamide and vitamin E provide antioxidant protection. Allantoin also smooths the skin. The formula is non-comedogenic, oil-free, water-resistant, and non-greasy, without any chalky white cast or photo flashback.