Carrier Oils are extracted from natural botanical sources. They contain wellness-promoting nutrients and are a key component in aromatherapy. Carrier oil, also known as base oil or vegetable oil, is used to dilute essential oils and absolutes before they are applied to the skin in massage and aromatherapy. They are so named because they carry the essential oil onto the skin. Diluting essential oils is a critical safety practice when using essential oils. Extensively used in making Hair oils, Serums, Lip products, Soaps, Lotions.