Mustela 1 2 3 Vitamin Barrier Cream – Triple Action Diaper Rash Care Mustela 1 2 3 Vitamin Barrier Cream is a clinically proven diaper rash cream that prevents, soothes, and repairs baby’s delicate skin. Enriched with **98% natural ingredients**, including Avocado Perseose® and Zinc Oxide, this hypoallergenic, fragrance-free formula..