Germanium oil is an essential oil derived from the Germanium plant. It is not well known, and there isn't enough scientific evidence to support its safety or efficacy. Germanium is a chemical element with the symbol Ge and atomic number 32. It is a rare, hard, grayish-white metal that is used in semiconductor technology and some medical applications, but it's not commonly used to produce essential oils. It is important to consult with a healthcare professional before using any essential oil, especially if you're pregnant, nursing, have any health condition, or are taking any medication.