What it is: An instant skin-brightening serum with a lightweight formula that expertly targets dark spots, hyperpigmentation and lackluster skin. Who it's for: All skin types. What it does: Infused with the brand's clinically proven probiotic extract complex, this serum also contains pearlescent pigments and vitamin C to instantly brighten dull skin and even out the complexion. Antioxidant actives from vitamin E, chicory root and safflower oil