1、Lymphatic Drainage: Terahertz contains a variety of trace elements needed by the human body, which can strengthen the body and prevent various diseases. It accelerates skin regeneration, helping people to stay healthy and beautiful. 2、Hot and Cold Compresses: Terahertz stone is a powerful healing stone with high vibrational frequency and thermal conductivity. It stimulates metabolism. Has the ability to absorb temperature quickly and is suitable for both hot compresses(relaxes muscles and opens pores) and cold compresses(contracts muscles). 3、Versatile Use: The roller stick can be easily and comfortably applied to your face, neck, body, arms, nose and even around your eyes to help your skin absorb more skincare products and improve your skin. 4、Firming Skin: The terahertz facial beauty roller visibly improves and firms body skin, firming loose skin all over the body, improving skin elasticity and making skin firmer, smoother and healthier. 5、Fine Craftwork: Attention to detail, surface smoothness, rounded corners, will not scratch or damage the skin, you can rest assured that you can use, ergonomic design, easy to grip and use, simple and easy to operate. Item Type: Terahertz Face Roller Material: Terahertz Size: Approx. 145 x 42 x 23mm / 5.71 x 1.65 x 0.91in Terahertz energy stone functions through self purification, self repair, self release, self regulation, self adaptation of high tech materials to achieve absorption of odours, temperature regulation, humidity regulation, electromagnetic shielding, energy saving, the energy stone contains selenium, magnesium, zinc, calcium and more than 30 kinds of trace elements that are beneficial to the human body. The starting wave released by these elements is in the same wave state with the starting wave of human cells, which can produce resonance, make human cells and tissues more active, promote metabolism, and eliminate body wastes. Functions: 1. Reduce facial tension 2. Enhance skin elasticity, firm and tighten skin 3. Inhibit the appearance of fine lines and wrinkles 4. Reduce puffiness, bags and dark circles under the eyes. 5. Helps penetrate beauty products, such as creams, deeper into the skin to be absorbed 1 x Terahertz Face Roller