Experience long-lasting skin hydration with C Defense Serum with Poly-Pore Technology. This advanced serum brightens and helps defend against environmental pollutants and irritants. Great for all skins types who are concerned with dehydration, hyperpigmentation, and sensitivity. Benefits - Brightens dull skin and helps prevent oxidative damage - Helps minimize the appearance of wrinkles - Offers a multi-functional, microparticle delivery system that allows for sustained release of hyaluronic acid into the skin, allowing for long term moisturization - Proprietary anhydrous formulation helps to stabilize and deliver the active vitamin C for superior results ( 1 fl oz. )