Powerstrips by FG Xpress is the only product of it’s kind to be listed by the FDA as a Class 1 Medical Device for the treatment and relief of pain. When applied to the skin they have been proven to relieve ALL types of bodily pain, including pain from headaches and migraines. Link To Wall Street Journal FDA Press Release: Click Here As a listed “Class 1 Medical Device” this proves to the World that PowerStrips are unique and can bring relief of Pain & Discomfort unlike any other product available on the market.