Come summertime, city skin should shield itself against sun, stress and pollution. We recommend shunning the heavy SPF creams of yesteryear for the new lighter formulas, which filter against all three perfectly, sitting prettily under your make-up and atop your skincare. Look for versions that promise to defend against smog, such as Dior’s One Essential City Defense, by way of antioxidants and protective veils, while assuring both UVA and UVB protection. Finally, always opt for SPF30 and above to save face. ky