Neutrogena® Hydro BoostTM Hyaluronic Acid Water Gel Refill fits perfectly into our Water Gel jar. Simply twist, lift and refill to reduce plastic waste by 89% vs buying a new jar! This lightweight water gel is supercharged with skin-friendly ingredients - Hyaluronic Acid, Amino Acids and Electrolytes to deliver 5x more hydration* and help strengthen the skin's moisture barrier. Maintain skin vitality for refreshed, plump and glowing skin.