... permeate deep skin ,release anion and far-infrared, decompose of the harmful material such aslipid peroxide , as well as through ... arthritis, joint sprains,contusions,soft tissue damage,congestion,swelling,leg varicose veins,thigh muscle pain, calf muscle ache symptoms have auxiliary ... to use, the individual allergic constitution careful with, may cause use parts skin redness. 4, such as local part ...