Terahertz Gua Sha Facial Tool Dredging Meridians Facial Scrapping Tool for Face Neck Chest Legs Item Type: Terahertz Stone Gua Sha Scraping Tool Material: Terahertz Size: Approx. 13 x 3 x 1.3cm / 5.12 x 1.18 x 0.51in Application: for Facial, Neck, Back, Chest, Legs, Feet Energy Stone Function: Achieve the purpose of odor absorption, temperature adjustment, humidity adjustment, electromagnetic shielding, energy saving and health care through self purification, self repair, self release, self regulation and adaptive high tech materials. Energy stone contains more than 30 kinds of trace elements that are beneficial to human body, such as selenium, magnesium, 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, make human cells and tissues more active, promote circulation and metabolism, and eliminate waste in the body. Function: 1. Relieve facial tension 2. Enhance skin elasticity, tighten and firm skin 3. Inhibit the appearance of fine lines and wrinkles 4. Reduce puffiness, eye bags, and dark circles 5. Help penetrate skincare products like creams deeper into the skin for better absorption 6. Promote circulation to the face, healthy glowing