Sassafras oil is an essential oil sourced from the sassafras tree. Safrole, its active ingredient, is used in the production of the drug MDMA, more widely known as a street drug called “ecstasy.” … Sassafras oil should not be consumed orally or used externally as even small amounts can be fatal. visit this website:https://www.pmkoiluses.com/product/sassafras-oil-safrole/