Essential oils are natural, highly concentrated plant extracts that are used in aromatherapy and natural health practices. These oils are typically extracted from various parts of plants, including flowers, leaves, stems, and roots, through methods such as steam distillation or cold pressing. Essential oils are known for their potent fragrance and therapeutic properties, which can have a range of benefits, such as reducing stress, improving mood, boosting immunity, and alleviating various health issues. Research in the field of essential oils focuses on understanding their chemical composition, bioactivity, and potential therapeutic applications in areas such as skincare, pain management, and mental health. Studies also explore the safety, quality, and appropriate usage of essential oils for different health and wellness purposes.