Dynarex Zinc Oxide Ointment 2 oz Tube, Prevention and or Treatment of Diaper Rashinc Oxide has drying properties that make it ideal to assist in the drying of oozing lesions such as poison ivy, poison oak, and sumac. This is a must have for the first aid. Features: Application: Moisturizer Container Type: Tube Volume: 1 oz. Active Ingredients: Zinc Oxide Latex Free Indicator: Not Made with Natural Rubber Latex Form: Ointment