Lemon essential oil has a beautiful bright and sweet citrus scent. To make the oil, the rinds of unripe lemons are expeller pressed (squeezed, not steamed). Lemon is commonly used to clean, elevate one’s mood, support immunity and to increase focus. Common Uses: Lemon may be added to all-purpose cleaners, diffusers, room sprays, detergents, soaps, hand sanitizers, lotions, aromatherapy inhalers and perfumes.