*DEAL!!!* BEST PRICE! for 6 TUBES of Calmoseptine Baby Diaper Rash Ointment FULL LARGE 4oz SIZE as pictured. Calmoseptine Ointment - developed 70 years ago, by a pharmacist, as a diaper rash ointment. Since, it has been an excellent moisture barrier ointment, used by infants, babies, patients and healthcare professionals for many conditions involving the skin of adults and children. An effective, multipurpose moisture barrier that protects and helps heal skin irritations. BRAND NEW SEALED & unopened. 2 available. Used for making baby shower diaper cakes.