Woolzies Cold Stopper Oil Blend Roll-On helps to fight off colds and their symptoms like congestion, coughing, and headaches. It has a soothing aroma and contains oils of Rosemary Oil, Eucalyptus Oil, Peppermint Oil, Cypress Oil, Lemon Oil, and Fractionated Coconut Oil. The roll-on feature and compact size make it spillproof, travel-friendly, and airline-approved. On one end it has a roller and on the other end, it's a dropper. Cold Stopper Roll-On can be inhaled, diffused, and applied topically.