Algologie Elixir des Vagues - Hydra Replenishing Booster 15ml is a concentrated hydrating serum that provides an intense moisture boost to thirsty skin. Enriched with hyaluronic acid, marine spring water, and red and green algae extracts, it instantly quenches dryness, smooths fine dehydration lines, and restores softness. Its lightweight, fast-absorbing texture makes it perfect for layering under cream, leaving the skin plump, fresh, and radiant.