This lightweight, broad-spectrum physical barrier is your first line of defence against sun damage and premature skin ageing. Liquid Layer Sunblock is Formulated with mineral Titanium Dioxide. This Elemis Sunblock provides water resistant SPF30 protection, against UVA, UVB rays and pollution. Polymeric spheres diffuse and redirect UV light, preventing harsh, multiple assaults from the environment. Cellular protecting Anti-Oxidants and Photoprotectants help to defend against daily pollutants which can accelerate irreversible free-radical damage.