La Roche-Posay Hyalu B5 Serum is an advanced anti-aging facial serum that combines hyaluronic acid and vitamin B5 to provide intense hydration and skin repair. This dermatologically-tested formula helps reduce wrinkles, plump skin, and restore moisture for a more youthful appearance. The serum comes in a 30ml blue glass bottle with a dropper applicator for precise dispensing. For best results, apply morning and evening to clean skin before moisturizer. The formula is suitable for all skin types including sensitive skin as it is hypoallergenic and non-comedogenic. The serum contains La Roche-Posay thermal spring water known for its soothing properties.