Lemon offers multiple benefits and uses as a bestselling doTERRA essential oil. Lemon is a powerful cleansing agent, purifying the air and serving as a nontoxic cleaner throughout the home. When added to water, Lemon provides a refreshing boost to your day.* It’s also frequently added to desserts and main dishes to enhance flavor. When taken internally, Lemon provides cleansing and digestive benefits.* And when diffused, it has an uplifting aroma.