No 1 choice of pediatricians & moms. Maximum level of rash-fighting ingredient. Helps heal, soothe & prevent diaper rash. The 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.