Trans-β-Farnesene is a sesquiterpene widely used in the agricultural sector as a natural insect repellent, particularly effective against aphids. It is incorporated into pest control products to protect crops without relying on synthetic chemicals, promoting sustainable farming practices with low environmental impact. In the fragrance industry, it serves as a key ingredient in perfumes and cosmetics, imparting a fresh, green scent that adds uniqueness and appeal to products. Additionally, it is utilized as a starting material in the rubber and plastics industries for producing polymers with special properties such as flexibility and durability. It is also employed in the production of biofuels due to its hydrocarbon structure, contributing to renewable energy solutions. Its versatility extends to research, where it is studied for its potential antimicrobial and therapeutic properties.