See a visible difference in your nails with Kerasal Nail Renewal with Tea Tree Oil. Prescription treatments works to cure onychomycosis but do not work to improve the appearance of the nail. Kerasal works to improve the appearance of damaged nails. Formulated as a topical nail solution, Kerasal nail renewal with tea tree oil has a deep penetrating formula to improve the appearance of nails damaged by onychomycosis. Combining the keratolytic properties of urea with the hydrating and fortifying effects of propylene glycol and lactic acid, Kerasal's patented nail renewal solution acts fast to deeply penetrate the nail plate. Unlike nail lacquer, Kerasal's breathable formula penetrates deep to provide visible results. This preservative-free nail solution is also enriched with natural tea tree oil for a soothing feel and revitalizing aroma. Kerasal helps to reduce discoloration and thickness, and hydrate and exfoliate brittle nails to soften and loosen the damaged layer, revealing smoother, healthier-looking nails. Cover each nail with a thin layer of this clear coat solution using the included precision nail brush daily. Apply the nail care solution to the underside of the free edge of affected nails as well.