Super Serum (Hyaluronic Acid + Niacinamide) The Daily Skin Booster Is Now In A Multi-Action Super Serum With An Innovative Formula That Offers Simultaneously The Benefits Of A Serum And A Moisturiser, Contributing To Even, Brighter And Smoother Skin. Hyaluronic Acid: Hydrates, Plumps And Help Reduce Fine Lines And Wrinkles. Niacinamide: Brightens The Skin For A More Even-Looking Complexion + Soothes The Skin With Its Anti-Inflammatory Properties.