Rosemary oil is extracted from its leaves and flowers by Steam distillation. It is used for improving memory, indigestion, arthritis-related joint pain, hair loss, and other conditions. Rosemary Oil helps reduce stress levels and nervous tension, boost mental activity, encourage clarity and insight, relieve fatigue, and support respiratory function. It is used to improve alertness, eliminate negative moods, and increase the retention of information by enhancing concentration. Lemon oil is rich in vitamin C, hence good for the skin. The liquid is known for its antimicrobial and antioxidant properties. Lemon essential oil can be diluted and applied topically to your skin, as well as diffused into the air and inhaled. Some people swear by lemon essential oil as an ingredient that fights exhaustion, helps with depression, your skin, kills harmful viruses and bacteria, and reduces inflammation.