Lucky A+D Diaper Rash & Skin Protectant Ointment 1.25g Help prevent diaper rash by applying a generous layer of A+D Original Ointment on baby’s bottom, genital area and the folds of the thighs at every diaper change. Since A+D ointment is available in a tub to keep on the changing table and a tube to keep in the diaper bag, you’ll have happy changes ahead, every time.