Silviang is a tool that can be used to check the moisture content of skin, skin tightening, skin lightening, skin cleansing, skin elasticity and body slimming. Silviang have infrared rays which can help open the pores of the skin and ions ( + ) which can clean dirt and residual make-up on the skin. 700 times per second up and down movement of ions ( + ) ( -) and ultrasonic may mempercapat absorption into the skin and stimulate an increase in skin elasticity. Infrared rays can open the skin pores, ion ( -) and ultra-sonic can deliver nutrients into the skin layers deep. By the time 1.5 times per second up and down movement of ions ( + ) ( -) and ultrasonic can tighten the skin and prevent skin becomes saggy.