Mustela Vitamin Barrier Cream,contains Shea Butter,Zinc oxide,Panthenol, Vitamins F and B5,soothes and prevents diaper rash, helps to soothe eczema. Mustela Vitamin Barrier Cream. An ultra-rich cream specifically formulated to help protect baby's diaper area against irritation and to soothe baby's tender skin. Vitamin Barrier Cream includes zinc oxide to help prevent chafing and chapping. Vitamin F (ethyl linoleate), panthenol and shea butter condition baby's delicate skin and help keep it smooth and comfortable. Recommended to be used daily to prevent diaper rash.