Rensow A&D Ointment is a tattoo industry standard for aftercare treatment. Rensow brand A&D Ointment is 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. Vitamin A and D in a base of petrolatum and anhydrous lanolin. This ointment is a popular choice for tattoo artists and tattoo shops for soothing skin irritation.