Cracking palms need a lot of attention and care. It has to be soaked twice daily in normal water with salt and dried. Apply foot moisturiser thrice daily over it. Soaps vil dry out your skin, so they r an absolute no. No vigorous rubbing of skin on feet. Before bath, oil feet with any oil be it coconut, olive. Use a soap free cleanser or a dermatologically tested medical soap. Include dry fruits like almond, walnuts, figs, groundnuts. Have plenty of salmon, mackerel and sardine. Drink two litres of water. Have roasted flaxseeds.