Limonene is a colorless liquid hydrocarbon classified as a terpene. It is primarily found in the peels of citrus fruits like oranges and lemons, giving them their characteristic scent. Limonene is commonly used in food flavoring, fragrances, and cleaning products due to its pleasant aroma and potential antibacterial properties. In addition to its aromatic qualities, limonene is also studied for its potential health benefits. Some research suggests it may have anti-inflammatory and antioxidant effects. It is often used in aromatherapy and is considered safe for consumption in small amounts, making it a popular ingredient in various products.