Kerasal is different - it is specifically formulated to restore healthy appearance to fungal nails. See the difference Kerasal can make. Delivers a visible difference starting in just 1 week. Penetrates the nail. Improves nail appearance in over 90% of sufferers.* Approved by the American Podiatric Medical Association. Proven safe. Precision, no-mess silicone tip applicator. Odorless. Preservative-free. Reduces discoloration. Normalizes thickness. Clinically proven. 3-month supply for up to 3 nails. *When used as directed.