Simply put, terpenes give plants their unique flavor and aroma characteristics. Terpenes are the building blocks of essential oils as most essential oils are nearly entirely comprised of terpenes. The term terpene refers to a large group of organic compounds with a specific molecular structure and are produced by a wide variety of plants. Terpenes typically possess strong aromatic properties, making them incredibly useful for adding pleasant aromas to consumer goods. Flavor is often another characteristic associated with terpenes; many of them contribute to familiar flavors such as those found in citrus fruits. The combination of scent and flavor makes terpenes an extremely valuable addition to a diverse group of products ranging from food additives to cosmetics. Many industries buy terpenes to enhance the flavor and aroma characteristics of their product.