At the heart of this serum, HydraDynamic 3D "second skin" technology acts like a "cosmetic patch", delivering multi-level hydration to your skin. The skin's thirst is quenched and it regains all of its comfort, suppleness and softness. Main Active Ingredients: Hydradynamic 3D: Forms an invisible mesh on the surface of the skin that acts on 2 levels: on the surface and beneath the surface of the skin. Aquaregul: a highly effective combination to optimize the water reserves in the skin and reinforce the barrier effect to limit dehydration. The superficial layers of epidermis are hydrated, the skin is plumped. Cranberry Extract: rich in polyphenols, this is an important antioxidant. It helps the skin maintain its youth. To use: Apply morning and evening all over thoroughly cleansed face and neck before the cream.