CIRCULAR HYDRATION SERUM 1.0OZ. Benefits: Immediately hydrates to quench dehydrated skin. Provides hydration that lasts throughout the day and beyond. Replenishes skin from within. Key Ingredients: Hyaluronic Acid: penetrates skin's surface for deep hydration and more supple, radiant skin over time. Algae Extract: infused moisturizing matrix delivers quick and long-lasting hydration. Kelp Serum: source of minerals, amino acids and vitamins including A, C, E and thiamin. Research Results: Deeply hydrates skin for 10+ hours and increases hydration levels over time* *Independent clinical test, 30 subjects, 2 applications/day Hydration measurements taken via corneometer before application and at 20 minutes, 2 hours and 10 hours.