About this item Guarantee made by 100% Authentic Terahertz Stone. A unique merger of “Antiaging Properties of Chinese Ancient Wisdom” and “Healing Properties of a Powerful Terahertz Stone” for professional effects. Remarkable properties of the Terahertz stone, combined with a centuries-old tradition of Chinese GuaSha therapy, not only faster skin regeneration and detoxification, improving skin elasticity, reducing fine lines and wrinkles, the healing energies that will strengthen entire body . The combination of Terahertz Stone with Traditional Chinese Scraping Therapy (Gua Sha), provides faster skin regeneration and detoxification, helps with lymphatic drainage, reduces fine lines and wrinkles, as well as enhances your entire body with healing energies. tmj pain relief products,migraine relief We recommend protecting this stone with the Pouch, this natural stone is fragile when dropped on a hard surface. Terahertz stone is an gemstone called silicon. It is a very powerful healing stone that possesses very high oscillating frequency as well as thermal conductivity.It can increase blood circulation and stimulate metabolism and rejuvenation. It also has the ability to quickly absorb temperature, which is very suitable for hyperthermia (relaxation of muscles and opening of pores) and cold therapy (contraction of muscles).