Enhanced with Caudalie's patented longevity and a natural filler that "fills" the skin, Premier Cru The Serum boosts the skin's regeneration process and revitalizes the mechanisms of youth. Its high content of hyaluronic acids provides immediate and intensive hydration to the skin. Enriched with firming polysaccharides, with visible results in 3 minutes and lasting for up to 6 hours, it also contains niacinamide to improve skin texture. Suitable for all skin types. 98% natural ingredients Non-phagesogenic Dermatologically tested Vegan 100% natural origin fragrance