Protect Essence Oil is formulated to support healthy immune function, protecting against environmental threats and is safe for use as a non-toxic cleaner or to purify the air. Protect Essence Oil is infused with proprietary herbal extracts, protected for centuries and once only available to the royal families of Korea. These royal formulations utilize exact proportions of the highest quality herbal ingredients to provide you with a heightened and rebalanced state of of well-being. Formulated to support healthy immune function Protects against environmental threats Safe for use as a non-toxic cleaner or to purify the air This oil can be applied topically to the skin, or placed in a diffuser to have an aromatherapy application. As few as one drop can be used topically. For a diffuser, it is recommended to use at 3 drops depending on the diffuser size.