Step 1: Conduct a sensitivity test.Step 2: Cleanse your face, neck and décollatege then pat dry.Step 3: Attach and adjust the Neck and Dec straps comfortably around your neck, then secure the face mask around your head.Step 4: Switch on both devices using the controllers. Sit back and relax for your 10-minute light therapy session.Step 5: Once the devices automatically turn off, remove and wipe clean before safely storing.Expert Advice: Apply a few drops of the CurrentBody Skin Green Tea Serum before using your LED devices to enhance your anti-ageing results.