If UV-A and UV-B weren’t concerning enough, now there’s a host of other free-radical-causing culprits we should be fending off. The latest? Blue light. That’s right, the one radiating from your devices and screens. Although research is scarce and has a way to go before we know the potential damage our screens may be causing, a handful of skincare brands are getting a jump-start on it. French brand Payot has recently launched Blue Techni Liss Jour, $125, which shields the skin from blue light and addresses fine lines during the day, while the night-time formulation Blue Techni Liss Nuit, $130, regenerates skin cells while you doze. Efficient.