Creates the perfect microenvironment for skin to repair itself. O'Keefe's utilizes three chemical properties: Hydrates the skin with both water and glycerin; Traps the moisture at the cellular level to prevent evaporation; 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. Hypo Allergenic and Lanolin free--safe for all skin types. Recommended by Dermatologist and Diabetic Educators. Made in the USA.