Unique ergonomic design, perfectly fit the face, to provide users with the most comfortable massage experience.♥ Stimulate blood circulation and exercise facial nerves and muscles.♥Make the skin contract diastole blood vessels rhythmically, and improve the skin searching for blood.♥Roll on skin after moisturizer to improve the appearance of pores, smooth texture, and brighten complexion.♥ Better use with serum, cream, essential oils and face.♥Perfect upgrade craft, this cool face is light and portable. It is filled with cooling water and can keep frozen continuously. It is infused with a variety of beauty essences for best results at 14-40°F (-10-4°C). (It is not recommended to keep in the refrigerator for more than 10 minutes). And the unique arc designed specifically for the face, providing the largest contact area for your face, bringing you the most comfortable cold massage experience!