Ice face rollers gently massage your forehead, cheeks, and chin to encourage blood flow and relaxation.Aside from providing your serums and moisturizer with a cooling, spa-level boost,ice rollers can also play a major role in your beauty routine to help you appear more well-rested. Since these tools are stored in the freezer, they work by constricting blood vessels in the face, which minimizes irritation and inflammation as well as puffiness.