Outsmart the city: superior anti-aging technology-it’s in our dna. Every day, in cities all over the world, the environment-from uv rays to pollution and smoke-is visibly aging your skin; in fact, 80 percent of all signs of skin aging are due to the environment. Introducing: prevage city smart plus dna enzyme complex plus anti-pollution plus antioxidants. Broad spectrum spf 50 hydrating shield. The first-of-its-kind skin shield to combine pollution and uv protection with our dna enzyme complex to strengthen skin. Sheer, hydrating, invisible protection to help skin look younger, longer.