Terahertz Stone GuaSha Tool Lymphatic Drainage Facial Meridians Scrapping Hot Cold Compresses Terahertz Scraping Tool Item Type: Guasha tool Material: Terahertz Efficacy: The function of energy stones is to achieve odor absorption, temperature regulation, humidity regulation, electromagnetic shielding, energy saving, health and efficiency through self-purification, self healing, self release, self regulation and self adaptive high tech materials. Energy stone contains more than 30 kinds of trace elements that are beneficial to human body, such as selenium, zinc and calcium. The initial wave released by these elements is in the same wave state as the initial wave of human cells, which can resonate and make human cells and tissues more active, promote blood circulation, promote metabolism and eliminate waste in the body. Functions: 1. relieves facial tension 2. Increase skin elasticity, tighten and firm skin 3. Inhibit the appearance of fine lines and wrinkles 4. Reduce puffiness, bags and dark circles under the eyes 5. Help penetrate beauty products, such as creams and serums, so that the skin absorbs more deeply 6. Promote facial blood circulation and bring glow to the face