TOP TEN WEIRDEST Home Remedies That Actually Work (10 IMAGES)  Listerine cures toenail fungus Soaking your feet in Listerine mouthwash for 15-20 minutes, twice a day, will cure most cases of toenail fungus. Listerine contains antiseptic and disinfectant ingredients; it has been used for everything from curing gonorrhea to cleaning floors. Listerine is also good for curing blisters (dab [...]