Soaking feet in vinegar (apple cider being best) for the softest feet ever!!! Its also a great remedy for many problems like toenail fungus, dry feet, tired feet, etc. ..here are some vinegar foot soaks that will help feet be soft
If you've never purchased coconut oil before, run - don't walk - and buy a big tub of it. This stuff is amazing! You can use coconut oil for a ton of different things, including the 25 remarkable uses that is on this list.