Replenish the look and feel of dry skin with the Avène Hydrance Boost Serum. Powered by Thermal Spring Water, Avène’s signature mineral-rich ingredient, the serum delivers instant and long-lasting moisture to the skin. This lightweight yet deeply-nourishing treatment combines hyaluronic acid with niacinamide to help quench the skin’s thirst. The serum is perfect for those prone to dullness, leaving the complexion with a plump, dewy appearance. Formulated to provide 48-hour hydration in a single application, Avène's Hydrance Boost Serum works to replenish the look of dry skin types. The formula is enriched with hyaluronic acid and niacinamide (vitamin B3), locking in moisture for long-lasting hydration. At the heart of Avène’s formula, Thermal Spring Water delivers intense hydration and boosts the look of skin’s suppleness. The lightweight, non-greasy serum helps to protect the moisture barrier, leaving skin with a soft, luminous appearance. Made up of 96% natural origin ingredients, the serum is suitable for sensitive skin types.