《Terahertz ☆ Kassa (Scraping Tool)》 【Terahertz】 Terahertz waves are said to act on the deep parts of human cells, restoring the rhythm of the cells and also improving stiffness and blood flow. Therefore, it is also called "growth rays" or "life rays" and is thought to play an important role in metabolism and growth. This effect is being studied at many research institutions. ◆Please note ◎ Although it is brand new and unused, please refrain from purchasing if you are looking for perfection or are concerned about minor details. Beauty Health Beautiful skin Massage