Activates and strengthens the skin’s barrier function: Anti-aging serum that activates and repairs the barrier function, which improves hydration and skin resistance. Anti-aging hydration: High and low molecular weight hyaluronic acid that provides comfort and long-lasting anti-aging hydration, for a more resistant, smooth and hydrated skin. Light texture: serum without sticky effect or film effect. In just one week, +10% reinforcement of barrier function and improved hydration. How to use: Apply twice a day, morning and night, on clean, dry skin with light circular massages.