RegenCo. Under Eye GelRegenCo. Under Eye Gel is a product specifically formulated for the sensitive skin around the eyes. It is designed to address a variety of skin concerns, including puffiness, dark circles, under eye bags, fine lines, and wrinkles. This under eye gel boosts a triple action hydrating system, combining hyaluronic acid with advanced moisture retaining molecules. Not only does it provide immediate hydration, but over time it works to improve your skin