From the manufacturer's website:
Leaves skin feeling clean and refreshed!. Use every day with your favorite soap or cleanser. Thoroughly cleanses skin of dirt and excess oil. Smoothes away rough, dry skin: white side for all-over cleansing, blue side for smoothing of elbows and feet. Leaves skin smooth and soft, perfectly prepped for shaving and sunless tanning.
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.