From the Manufacturer: O'Keeffe's Healthy Feet is the leading skin therapy for dry feet that crack and split. The proprietary formulation stimulates the skin's natural repair process by hydrating the skin, balancing pH and retaining moisture. It is safe and effective on all skin types. Product Description: Creates the perfect microenvironment for skin to repair itself, O'Keefes utilizes three chemical properties: hydrates the skin with both water and glycerin, traps the moisture at the cellular level to prevent evaporation, and alters the pH in the dermis layer to activate the production of the body's own potent compounds. Guaranteed Effective. Completely Odorless and oil free for a non-greasy feeling. Healthy feet also has Allantoin which helps the creme absorb through thicker skin and it also serves as a skin protectant. For the on-the-go sports enthusiast. Contains Octyldodecy Stearate which improves the rate of absorption of moisturizing compounds and water into the skin. It also forms a barrier upon the surface of the skin, thus preventing evaporation of vital moisture!