Here is an easy cure for cracked heels, fungal infections and calluses. Soaking your feet in Listerine mouth wash sounds crazy but there are plenty of people that claim this works. This life hack will have you wondering why you have not tried it before. There are loads of creams and ointments on the market that claim to heal cracked heels and fungal infections but they can be extremely expensive. This homemade remedy is easy and cheap, and definitely worth trying out if you have cracked heels and fungal infected nails. The worse that can happen is you will end up with clean and minty flavoured feet!