Mustela's best-selling Diaper Rash Cream 123 is a 3-in-1 product that prevents diaper rash and relieves and recovers your baby's delicate skin at every diaper change. Clinically proven to soothe the diaper area and relieve irritation and redness from the very first use. Diaper Rash Cream 123 continues to work in-between diaper changes to prevent future rash recurrences.