This rich, thick formula of Desitin Maximum Strength Paste contains the maximum level of zinc oxide to immediately form a protective barrier to promote healing and soothe rash discomfort. This hypoallergenic, pediatrician-tested formula provides overnight relief for baby's tender skin, making Desitin Maximum Strength Paste your trusted partner for treating diaper rash. 4-ounce tube of diaper rash paste. Helps treat and prevent diaper rash. #1 choice of pediatricians and moms. Clinically shown to provide barrier protection to skin for up to 12 hours. Maximum level of zinc oxide to fight diaper rash.