Terpenes are a structurally diverse family of secondary metabolites found mostly in plants and microorganisms. Beta-caryophyllene and d-limonene are abundant in aromatic medicinal plants. Beta- caryophyllene can be sourced from clove and cannabis amongst others. and d-limonene is abundant in the Citrus genera. https://www.marcelovicente.com/product-category/straightner/