What it is: A pre-serum that prepares skin to reap the benefits of serums and treatments to follow, in a Nordstrom-exclusive jumbo devotee size.What it does: The first step in your skincare ritual, this light-yet-potent pre-serum contains caviar water, a highly concentrated infusion with active caviar-rich components to lift and firm. This hydrating, conditioning formula helps to refine and minimize the appearance of pores and increase firmness and elasticity over time.Key ingredients:- Caviar Water: derived from a perfected distillation process, contains the most delicate elements of caviarHow to use: Apply AM and PM after cleansing and toning. Dispense one pump into the palm of your hand and smooth over face. Using a gentle patting motion, massage for several seconds until completely absorbed. Avoid getting into eyes. Follow with your favorite La Prairie serum and moisturizer. 8.45 oz. Made in Switzerland