Terahertz Gua Sha Tool Massage Scraping Board Muscle Relaxation Skin Tightening Tool Facial Scraping Plate Item Type: Gua Sha Tool Size: Approx. 63x35x5mm / 2.48x1.38x0.20in Applicable Areas: Face, Neck, Back, Bust, Legs, Feet Material: TerahertzThe function of energy stone is to achieve the purpose of odor absorption, temperature regulation, humidity regulation, electromagnetic shielding, energy saving and health advantages through self purification, self repair, self release, self regulation, self adaptation of high tech materials.Energy stone contains selenium, zinc, calcium and other 30 kinds of trace elements 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 blood recirculation, promote metabolism, and eliminate body wastes.Function: 1. Reduce facial tension 2. Enhance skin elasticity and firmness 3. Inhibit the appearance of fine lines and wrinkles 4. Reduce swelling, eye bags, and dark circles 5. Help penetrate beauty products such as face creams to deeper skin absorption 6. Promote blood recirculation to the face, healthy glow