Thanks to a perfect harmony between plant extracts and biotechnological compounds, the Sérum Fondamental Hydratant provides the skin with intense hydration for a targeted action at the heart of the cells. Acts on all levels of the skin to restore its optimal moisture level, 24 hours a day. HydraDynamic3D: Molecular network of natural biopolymers with a highly concentrated hydration complex that acts as a patch for multi-level hydration: - On the surface: Molecular network that prevents water evaporation. - Inside the skin: the mesh releases and distributes an intense moisturising complex (glycerin, serine, urea....). - Cranberry extract: rich in polyphenols, contain a large amount of flavonoids, which give them their antioxidant properties. Helps the skin to preserve its youthful capital. - Aquaregul : Powerful combination that optimises the skin's water reserves and reinforces its barrier action to limit dehydration.