Nexon Botanics Breathe Essential Oil Blend consists of a proprietary combination of Rosemary, Peppermint, Niaouli and Eucalyptus essential oil; All oils are therapeutic grade. Clears Congestion: Seasonal changes can cause congestion and stuffiness; Breathe ease essential oil blend helps soothe airways and achieve feelings of clear breathing. Natural: Blend helps during sinus, cold, cough, congestion, and stuffiness by keeping the environment clean. Dilute with MCT oil before any direct application to the chest or skin.