Excilor® was specifically developed to treat fungal nail infections and is based on 3 principles: 1 Superior and complete nail penetration: Excilor® immediately reaches the fungi (dermatophytes). Instant healthy regrowth of the nail. 2 Effective mode of action: Excilor® changes the pH level inside the nail, creating a hostile environment for fungi (dermatophytes) to grow and further damage the nails. 3 Convenience: Excilor® is easy to apply, no need to file the nail. Product penetrates within seconds without leaving a visible film.