COUNTERGLOW Tri-Luronic Hydrating Serum quenches thirsty skin. With a triple dose of hyaluronic acid, this potent serum deeply replenishes moisture. Lightweight and silky, it glides on, leaving skin soft and smooth. It also features antioxidant rainbow algae, moisturizing squalane, and omega-rich plum oil. See improved texture, elasticity, and bounce from this deeply hydrating formula.