(Citrus limon) has a light, fresh citrus scent that’s uplifting, energizing, and promotes optimism. Lemon is great to add to household cleaners, soaps, and air fresheners or diffusers. It helps support healthy immune, respiratory, circulatory, and digestive systems. Lemon is one of the best essential oils for skin care because of its natural astringent properties - it can be used as a skin toner, to balance oily skin, and brighten dull skin. Commonly used to ease stress, combat fatigue, and insomnia.