Footlogix Very Dry Skin Formula  with Dermal Infusion Technology & Urea is recommended for moisturizing and restoring very dry skin . Urea is an effective moisturizer, and humectant. It absorbs, keeps moisture and softens the skin. Since the skin on the feet is 5x thicker than skin on any other part of your body,  for this reason, routine moisturizers not a best choice for the bottom of your feet.