Interlocks with upper layer of skin to last longer. Allows your skin to breathe and perspire—keeping your body cooler. Formulated for daily use. Lotions contain antioxidant vitamins and aloe vera to nourish and moisturize the skin. Hypoallergenic, fragrance-free, nongreasy, and noncomedogenic. All products have been thoroubghly tested at sea level and in high-altitude conditions to ensure the best possible skin protection in any environment.