A foot scrub can be added to a massage to exfoliate and soften your feet. This will leave your skin healthy and radiant. A foot scrub helps to remove and exfoliate the dry, rough areas of your feet. 5 Benefits of a foot scrub: Relieve tired and achy feet. Help to remove dry skin. Sooth discomfort and pain. Improving flexibility and range of motion. Relaxing the entire body.