How does the revolutionary, highly efficient Seurich Pure Advance Light FootFix Device work? The revolutionary, highly efficient Seurich Pure Advance Light FootFix Device uses blue light therapy in combination with infrared cold laser technology to effectively eliminate fungi, inhibit inflammation and prevent infections. This relieves nail pain and swelling, eliminates pus or pustules, inhibits itching, peeling, thickening of nails and other problems. What makes the revolutionary AEXZR Revolutionary High Efficiency Light Therapy Device for toenail diseases so special?