HYDRALUMINOUS+ DAY GEL. Benefits: Delivers 72 hours of deep hydration. Key Ingredients: Powered by 3-in-1 technology, HydraLuminous+ Day Gel provides instant and long-lasting hydration for visibly healthier-looking skin. Hyaluronic Acid: An intense hydrator that acts like a moisture magnet.. 5% Vitamin B3 Niacinamide: Reduces water loss in the skin and supports the skin's barrier. Pollution Shield Technology: Helps defend the skin from pollutants for radiant-looking skin.. Research Results: Enriched with a 3-in-1 powerhouse complex, including hyaluronic acid*. Bouncier, plumper, and more radiant-looking skin in just 1 week**. 91% agree that skin feels smoother and nourished in 4 weeks**. 92% agree that skin looks healthy in 4 weeks**. *Instrumental study. *Formulated with Sodium Hyaluronate a derivative of Hyaluronic Acid. **Consumer study on UK women.