The face roller can be used to help puffy eyes and spot treat acne and other skin blemishes on the face. Because the barrels are Himalayan salt they have 84 trace minerals. Some of the minerals are magnesium potassium and calcium these minerals are amazing for anti-inflammatory issues. They also contains silica so it reduces the appearance of fine lines and wrinkles. You can use the roller for lymphatic drainage on the neck and helps relieve pain from headaches.The roller can be made cool and kept in the refrigerator and warm a few seconds in the microwave or a heating pad. Use the roller for a beautiful facial massage for glowing skin