In extreme cases, you may have to take oral antifungal medication as well. Care has to be taken about feet with fungal infection as it can move from toenails to skin and vice versa and spread up to the leg. If it's not, you need to drink more water. 6 Get proper nutrients. Your skin needs lots of vitamins and nutrients in order to keep growing in healthy. You can make some improvements to the quality of your skin by making sure that nutrient deficiency. WikiHow Contributor Soak your feet each night in warm water, then apply a lotion made specifically for dry or cracked skin to your feet and put on some socks. If possible, sleep in the socks to lock in the moisture. Massage for sometime so that the oil goes deep down your cracks and skin. If needed, apply one more layer of oil. Now wear the pair of socks and go to sleep. This is a precautionary measure so that your bed doesnt stain due to. Virgin coconut and olive oils are also antibacterial and help protect you from infections that may lead to dry skin and cracked feet. How to Use Vegetable Oil for Cracked Feet? Get this: Any vegetable oil (olive, coconut, mustard, soy, sunflower or other) A pair. Many moisturizers will include lots of natural, healthy sounding ingredients but they won't actually help your skin very much. You'll want to instead look for these in the ingredients list 2 : Humectants, which draw moisture into your skin.