Desitin Rapid Relief Jar Cream contains 40% zinc oxide as the active ingredient, which helps form a protective barrier to prevent and heal diaper rash. Inactive ingredients include petrolatum, lanolin, fragrance, talc, and aloe barbadensis leaf juice, which work together to soothe and moisturize the skin. The formula is free of parabens, phthalates, and dyes, ensuring it’s gentle on your baby’s sensitive skin.