Neutrogena Hydro Boost Ultra Light Hydrating Serum with Hyaluronic Acid 30ml. This serum hydrates for 72 hours, promoting glowing skin and a stronger skin barrier. It is suitable for all skin types. Neutrogena Hydro Boost Ultra-Hydrating Serum with Hyaluronic Acid boosts hydration with Natural Moisturising factors like Amino Acids & Electrolytes. It delivers 8x more hydration instantly and for 72 hours, resulting in ultra-hydrated, glowing skin and a stronger skin barrier. This fast-absorbing serum provides intense, weightless hydration, designed for all skin types and tones. Developed with dermatologists, Neutrogena is a skincare brand committed to delivering compromise-free solutions that make a real difference. With an extensive history of re-thinking what's possible in skincare, Neutrogena is a results-driven and constantly-evolving entity. Guided by the belief that healthy skin helps create beautiful skin, Neutrogena puts science at the heart of everything they do. They are inspired by customers and passionate about meeting their needs, with the goal of having a positive impact on the health and lives of all who believe in and use their products.