Dynarex A&D Ointment in 4oz tube. A&D Ointment was once a tattoo industry standard for process and aftercare treatment. Dynarex brand A&D Ointment is packaged in convenient travel size 4 oz tube. Applied during tattooing for lubrication. Applied for after tattoo bandaging. Generally A&D Ointment is used by applying a thin layer during a tattoo. During bandaging, another thin layer is applied and the tattoo is bandaged. Make sure you bandage the tattooed area loosely to allow the skin to breath.