The second step is application of an antibacterial or antifungal product. Iodine, bleach, hydrogen peroxide, copper sulfate, and a long list of commercial hoof disinfectants have been used with varied success. Anecdotal evidence to the contrary, no one product seems to be effective in every case. A veterinarian's recommendations can help an owner choose a product that will stop the infection without damaging healthy tissue. Surprisingly, there is evidence that some cases of white line disease resolve after thorough removal of all affected tissue without use of disinfectants.