Natural Basil Oil Chemotypes can contain Methyl Chavicol which has a component that is a suspected carcinogen (Estragole). For that reason we use a more expensive synthetic Basil Oil that does not contain Methyl Chavicol. Only synthetic basil oil can be assured to be free of many of it's undesirable impurities, and this is a case where you can see that 'natural' is not always better.
Basil essential oil is said to be a good treatment for itching skin. It is extensively used in many skin care supplements that claim to improve the tone of your skin. It is also commonly used to treat the symptoms of acne and other skin infections.