A suitable base oil facilitates the safe and effective application of concentrated plant extracts. These extracts, when undiluted, can cause skin irritation or adverse reactions. The base oil acts as a vehicle, diluting the extract to a safe concentration and aiding its absorption into the skin. For instance, using a base oil ensures that a potent extract like tea tree oil can be applied topically without causing inflammation.
Employing a proper base offers numerous advantages, including minimizing sensitivity, enhancing the spread of the extract, and prolonging its effects. Historically, the use of such bases dates back centuries, with various cultures utilizing plant-derived oils to dilute and deliver the therapeutic properties of herbs and botanicals. This practice not only ensured safety but also maximized the efficacy of these natural remedies.