This is a half fluid ounce (15ml) pure, uncut, Australian oil of Eucalyptus Globulus. There are many types of eucalyptus, globulus is the classic type most associate with eucalyptus. Its powerfully bright, aromatic, refreshing, and highly antiseptic. Since it is uncut, go easy since it is so powerful. The bottle is fitted with a dropper to allow for easy application. Since we buy decent quantities and fill our own bottles, we are able to offer this quality in this quantity at such a good price.