Lemon Essential Oil is also known by the nickname “Liquid Sunshine”. It one of the essential oils with the most powerful anti-microbial activity. Both the lemon fruit and the lemon essential oil have been used in Ayurvedic medicines for thousands of years to treat a vast range of health issues. In particular, Lemon essential oil is known to be invigorating, cleansing, and purifying; it can boost energy and metabolism, enhance moods, and disinfect skin and surfaces. 15ml.