Dr. Scholl’s® Fungal Nail Revitalizer Light-Activated Therapy is an innovative two-step process that erases nail discoloration and brittleness over time. The nail appears brighter and healthier after continued use so that you can feel more confident about your feet. Starts delivering visible results in JUST 1 DAY, it is a safe and effective podiatrist tested system that is clinically proven to improve nail appearance in over 95% of sufferers after one week.