Sunday Riley C.E.O. Rapid Flash Brightening Serum Sunday Riley C.E.O. Rapid Flash Brightening Serum ($85) is perfect for wearing underneath your sunblock and/or makeup, as it not only brightens and revitalizes the skin, but also fights the first signs of damage caused by the sun and environmental pollution. Sunday Riley C.E.O. Rapid Flash Brightening Serum $85 from dermstore.com Buy Now