Mainly works as a skin conditioning agent. It's also believed to improve lymphatic circulation, and for this reason is often used in eye creams aiming to combat dark and puffy under-eye circles. Many cosmetic manufacturers market it as clinically proven to reduce under-eye bagginess and puffiness. Mainly functioning as a skin conditioning agent, it's also believed to improve lymphatic circulation, making it a common ingredient in eye creams aimed at combating dark and puffy under-eye circles. Many cosmetic manufacturers market it as clinically proven to reduce under-eye bagginess and puffiness..