M.D. Science Lab Over The Counter Premium Hand Sanitizer is alcohol-free, yet powerful and gentle. This formula with Tea Tree Oil and Aloe moisturizes and softens the skin, and ii is safe to use every day. The active ingredient, Benzalkonium Chloride Kills 99.99% of germs Tea Tree Oil: known as nature’s 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. Non-toxic and non-flammable. No long term issues with frequent daily use.