Stem - the stem of a plant carries all the nutrients and needed immune defense to the proper places.......Stem formula does the just that. With 13 different essential oils, this formula covers it all. Take this bottle everywhere you go protect yourself from bacteria, viruses and fungi just waiting to attack. 2 drops into the hands and rubbed together will kill any germs ready to party. A great preventative before and during travel and in a diffuser to keep the air clean. Our version of Thieves Oil.