This well-researched blend contains only pure essential oils that have been researched for anti-microbial properties. Lemon Eucalyptus, Clove, Lemon Myrtle, Lemon, Oregano, Thyme, Rosemary, Sage, Palmarosa, and Lavender are carefully blended into a powerful clean scent. It is safe for soaps and your custom cleaning formulas. Do not use on surfaces without diluting. It is very strong. Results of some of the studies mentioned can be found in the World Journal of Microbiology and Biotechnology.