City Light offers advanced protection from daily environmental stresses and sheer skin perfecting colour which gives an instant moisture boost and all day lasting hydration with a lightweight feel, for maximum skin comfort. Not only does it enhance radiance, and leave a confidence boosting flawless complexion, No7 's patented antioxidant complex helps boost natural defences against environmental stresses such as pollution. City Light is combined with No7 's unbeatable 5 * UVA technology and SPF 15 which helps defend against the ageing effects of the sun and protects skin from future visible skin damage, it's the perfect shield against environmental aggressors that can cause the skin to age.