The present invention provides a fungal nail treatment composition comprising a proton source, a humectant, a film forming agent, a penetration enhancing agent, at least one solvent, and optionally at least one additional component selected from the group consisting of one or more nail conditioners, preservatives, UV inhibitors, pigments, dyes and perfumes. In other aspects the present invention provides a process for the preparation of a fungal nail treatment composition, use of the composition in the treatment of fungal nail infection, a fungal nail treatment device, and a kit comprising a fungal nail treatment composition of the present invention in combination with a fungal nail treatment device of the present invention.
