Boudreaux Butt Paste is a pediatrician recommended diaper rash paste. Made with 16% zinc oxide, this paste creates a thick barrier of protection for effective, soothing relief. This product is paraben and preservative free. Size: 16 oz jar. 1 Each. Treats and prevents diaper rash Goes on and cleans off easily Ointment effectively treats and protects Pleasant scent To be used in every diaper change to prevent rash