This invisible Barrier Balm with Squalane is specifically formulated to help deeply hydrate the skin Strengthens for 5X improved moisture barrier function Based on an instrumental test measuring improvement in moisture barrier function 4 hours after single application compared to untreated skin HOW TO USE Swipe on sheer layer up to 4x day Use generously for dry skin can be used on the body as needed Infused with Squalane known to help replenish skins barrier keeping it soft supple and moisturized ProCeramides and Glacial Glycoprotein Blends seamlessly under and over makeup Safe for all skin types including dry sensitive eczema prone skin