Mustela Vitamin Barrier Cream helps prevent diaper rash and soothe existing irritation. KEY INGREDIENTS & BENEFITS ‣ Zinc Oxide (10%)): Protects the skin by forming a barrier against irritants. ‣ Avocado Perseose: Nourishes and strengthens the skin's natural barrier. ‣ Panthenol (Vitamin B5): Soothes and calms irritated skin.