Carrier oils are used to dilute essential and other oils prior to topical application. The term carrier oil is derived from their purpose in carrying the essential oil onto the skin. Aloe vera gel and unscented body lotion are also commonly used as "carriers."
Which oils should you use to blend with your essential oils?. If you use essential oils, there's no doubt you've used a carrier oil to dilute your essential oils.
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.. Neither do they evaporate like essential oils, which are more volatile.