What it is: A lightweight, daily UV protector that gives your skin a powerful shield from the sun and environmental exposure. What it does: This sheer and hydrating spectrum offers protection against premature aging caused by the sun and doubles as a primer for the last step in your skincare ritual. Swiss Nobel Edelweiss defends against environmental stressors that create premature fine lines and wrinkles, while La Prairie-exclusive Smart Crystal White Complex repairs past sun damage. The nondrying formula leaves your skin silky smooth. How to use: Apply daily in the morning over your favorite treatment as the last step in your skincare routine. Using your fingertips, smooth over your face and neck. Allow to absorb completely before foundation application. 1.7 oz. Made in Switzerland