Aqua Oleum Essential Oil LemonGrass 10ml has a Fresh, grassy-lemony scent. It blends well with geranium, lemon eucalyptus, myrtle & citrus oils. Its key benefits include soothing, which helps improve muscle tone. In addition, it can also be a natural insect repellent. As a result, you can use it in different ways. Bath: 5-10 drops. Vaporizer: 3-5 drops. Body & massage:5 drops/10ml base oil.