Zinc Oxide Ointment by Gentell - 16 Oz. Jar Brand: Gentell. Manufacturer Name: Gentell. Manufacturer Number: GEN-23400. Application: Zinc Oxide Ointment. Active Ingredients: Zinc Oxide 20%. Inactive Ingredients Light mineral oil, Petroleum Container Type: Jar. Form: Ointment. Volume: 16 Oz. Each (Pack of 1). *Packaging May Vary. Provides protective and soothing aid for minor burns, skin irritations, chapping, diaper and skin rashes. Directions: Gently cleanse the affected area and allow it to dry before application. Apply ointment liberally and as often as necessary. For diaper rash, change wet and soiled diapers promptly. Use with each diaper change especially when exposure to wet diapers may be prolonged. Reduces irritation and redness.