2025-07-212025-07-212025https://repositorio.ifal.edu.br/handle/123456789/1081This article aims to analyze essential oils, volatile compounds rich in terpenes and phenols, highlighting their multiple applications and quality challenges. Considering their relevance in aromatherapy, pharmaceutical and cosmetic industries, agriculture, and food products, the study demonstrates how environmental factors, plant parts used, and extraction methods directly influence their properties. For this, a literature review was carried out using books, undergraduate theses, dissertations, doctoral theses, and articles available on academic platforms such as Science Direct, Scopus, Scielo, and Google Scholar. The analysis highlights the importance of quality control through techniques like GC-MS to ensure purity and safety, particularly in therapeutic applications. Although Brazil faces challenges in standardizing this market, the growing demand for natural products is driving the adoption of stricter regulations. It is concluded that the full use of the sustainable potential of essential oils depends on the integration between scientific research, technological development, and appropriate regulatory frameworks, aiming for safe and effective applications in various sectors.ptTrabalho de Conclusão de CursoENGENHARIAS::ENGENHARIA QUIMICA::TECNOLOGIA QUIMICA