Name one essential oil commonly used in aromatherapy.

Lavender oil is widely recognized in aromatherapy for its calming and soothing properties. It is frequently used to promote relaxation, alleviate stress, and improve sleep quality. The gentle floral scent of lavender can help reduce anxiety and create a peaceful environment, making it a popular choice in both personal and professional wellness settings.

Lavender oil's versatility also allows it to be incorporated into various applications, including diffusers, massage oils, and bath products, enhancing its appeal in holistic practices. This makes it not only a staple in many aromatherapy blends but also an essential oil that many clients may request for its therapeutic benefits.