Organic Melissa (Lemon Balm) Myrovolos Organics 25g. The dried leaves can be rubbed on the skin, acting as an insect repellent. Organic lemon balm is believed to have antispasmodic, anti-inflammatory, and antioxidant properties, and acts as a tonic for the circulatory system and the heart. It has been shown to have antimicrobial action. It has been used to address insomnia and various digestive disorders. It improves mental clarity and memory and has helped to a small extent in people suffering from mild symptoms of Alzheimer's disease. Finally, it possesses a calming effect.