Black Pepper 5mLBlack Pepper 5mL Black Pepper is best known as a common cooking spice that enhances the flavour of foods, but its internal and topical benefits are equally noteworthy. This essential oil is high in monoterpenes and sesquiterpenes, known for their antioxidant activity* and ability to help ward off environmental and seasonal threats when used internally. Ingested Black Pepper promotes healthy circulation,* but should be used with caution when applied