The original formula! Dermatone was formulated in Sweden to meet the challenge of the year-round weather conditions. It forms a barrier on the skin to help retain the body's own natural moisture and effectively protects exposed skin and lips. Sunscreen level 23. ARIEM's (Army Research Institute of Environmental Medicine) two-year clinical study concluded that Dermatone protects exposed skin two-times longer against frostbite than any other product or control (where no product was applied) tested. Dermatone also significantly slowed down the skin's freeze rate and helps the skin resist frostbite