The Mary Kay Clinical Solutions® Barrier Restore 1:1:3 is a dermatologist-tested dermocosmetic that strengthens and restores the skin’s protective barrier with the ideal 1:1:3 ratio of ceramides, cholesterol, and fatty acids, the essential building blocks of healthy skin. This lightweight, fast-absorbing formula replenishes lost lipids, locks in moisture, and soothes visible dryness, irritation, and sensitivity caused by environmental stress or intensive treatments, leaving the skin calm, supple, and resilient suitable for all skin types, including sensitive skin