Jojoba Oil is a favorite carrier oil, although Jojoba is a liquid wax. Jojoba closely resembles the natural sebum (oil) of our own skin and is rich in vitamin E. Because of its extend shelf life, Jojoba carrier oil can be added to other carrier oils in order to extend their shelf life. It has become a very popular carrier in the cosmetic and aromatherapy industries because of its excellent skin care properties.