HydraLuminous+ Hydrating 2% Hyaluronic Acid Serum - No7 HydraLuminous+ 2% Hyaluronic Acid Serum locks in 96 hours of hydration for skin that bounces back. Hydrates better than the No1 serum in the world; this 3-in-1 powerhouse complex includes 2% hyaluronic acid, 5% niacinamide, and pollution shield technology.BenefitsDelivers 96 hours of deep hydrationEnriched with a 3-in-1 powerhouse complex, including hyaluronic acid**Instrumental studyProven to be more hydrating than the No1 Hyaluronic Acid Serum in the world**** Formulated with Sodium Hyaluronate a derivative of Hyaluronic Acid*** Instrumental Hydration StudyKey IngredientsPollution Shield Technology: Helps defend the skin from pollutants for radiant-looking skin.Powered by 3-in-1 technology, HydraLuminous+ 2% Hyaluronic Acid Serum provides instant and long-lasting hydration for visibly healthier-looking skin.2% Hyaluronic Acid: An intense hydrator that acts like a moisture magnet. It combines three different molecular weights to work across multiple layers of the skin.5% Vitamin B3 Niacinamide: Reduces water loss in the skin and supports the skin's barrier.Research Results91% agree that skin looks hydrated in 4 weeks**90% agree that skin feels smoother and nourished in 4 weeks.**94% agree that skin feels hydrated in 4 weeks**** Consumer study on UK women - HydraLuminous+ Hydrating 2% Hyaluronic Acid Serum