Caudalie Premier Cru Anti-Aging Serum (NEW) Powered by Caudalie's Longevity Patent, this anti-aging serum visibly targets wrinkles, dark spots, and volume. Its high concentration of hyaluronic acid provides immediate and intense hydration to the skin, while instant tightening sugars from honey locust visibly tighten skin. Niacinamide visibly improves skin texture, and skin is left smoother, more radiant, and visibly plumped with deep hydration.