Our expert says:
Try using an urea containing cream like Heelbalm for a night or two each week - rub onto the feet before going to bed and wrap the feet with gladwrap to contain moisture. Then gently remove dry skin with a pumice stone. Use moisturizer like Epizone E daily. Have your thyroid and blood sugar levels checked as it could be a sign of underactive thyroid or diabetes.
See also http://www.epodiatry.com/cracked_heels.htm
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