MD Science Lab Premium Hand Sanitizer with Tea Oil and Aloe with Alcohol 1 Gallon. M.D. Science Lab Premium Hand Sanitizer is a powerful, yet gentle formula. This formula with Tea Tree Oil and Aloe moisturizes and softens the skin, and its safe to use everyday. FDA approved active ingredient, 70% Ethyl Alcohol Kills 99.99% of germs. Gel Form contains 70% Ethyl Alcohol, which works great for evenly coating the hands and drying quickly all while moisturizing and leaving your hands soft. Tea Tree Oil: known as natures disinfectant, provides antimicrobial, antiviral, antifungal and antiseptic properties.Aloe Vera: rich in antioxidants, enzymes, and Vitamins A and C, leaves skin refreshed and moisturized. Perfect for on the go sanitizing, no need to rinse or dry after use.