How to Apply NutraBoost Nail Fungus Treatment Gel Correctly Using NutraBoost consistently and properly is essential for achieving optimal results. Step 1: Prepare the Nails Clean the hands or feet thoroughly. Use warm water and gentle soap to remove debris, sweat, and dead skin. Dry completely. Step 2: Trim and File If Necessary If the nail is thickened or flaky, gently file the top layer to...