Gold Standard of Protection Treats and Prevents Diaper Rash. Helps Heal Dry, Chafed Skin. Protects and Soothes Minor Cuts and Burns. A+D Original Ointment is specially formulated with two active ingredients, Petrolatum and Lanolin, that form a protective barrier to help seal out irritating wetness and allows skin to heal naturally. To Treat & Prevent Diaper Rash: A+D Original Ointment should be used at every diaper change, especially at bedtime when exposure to wet diapers may be prolonged. A+D Ointment: Provides Long Lasting Protection Soothes and Relieves Irritated Skin Spreads Easily and Smoothly Wipes Off Baby's Delicate Skin Easily