SOiL Carrier Oils are 100% Pure and Organic vegetable oils of the highest quality. Carrier oils are generally cold pressed vegetable oils. In aromatherapy these oils are used as a base into which the highly concentrated essential oils are diluted. Each carrier oil has its own unique properties which have many benefits in aromatherapy. Blended with essential oils, or on their own, these oils can be used for massage or as bath oils.