It uses lauric esters extracted from coconut oil to restore the look and feel of nails affected by fungus by penetrating the nail. You will see an improvement to nail color and softness within weeks. The formula is scentless and will not stain clothing. The product treats nails that are thickened, brittle, crumbling/ragged, distorted, or discolored nails. It also treats onycholysis (separation of the nail from the nail bed) and fungus.