The Baby Anti-Monkey Butt cream is specially formulated to absorb moisture and minimize the frictional discomfort of diaper rash. For best results; apply freely to baby's dry skin after each diaper change. The cream has Zinc Oxide and Calamine. The Zinc Oxide and Petrolatum forms a barrier against wetness. With Calamine; it helps the skin to stay smooth; heal and prevent diaper rashes. It goes on smoothly and wipes off easily. If noticed a pinkish hue on the diaper after use; that is just the Calamine doing the works. The cream comes in 3 ounce tube.