Developed by a pharmacist and father of four, Boudreaux's Butt Paste Brand has been trusted for over 40 years by pediatricians and parents to help protect irritated skin due to diaper rash and to instantly seal out wetness. When used daily, it is also a great way to help prevent diaper rash. Boudreaux's Butt Paste Maximum is a thick, cream-like protective diaper rash ointment with 40% Zinc Oxide. It provides overnight protection, starts to soothe on contact, seals out moisture and helps keep baby's boo-tay dry. Boudreaux's Butt Paste Maximum Strength is free from dyes, preservatives, parabens and talc. Don't forget to keep your baby's butt protected and your hands mess free with our diaper rash cream and ointment brush applicator. Boudreaux's Butt Paste has diaper ointments for any baby's boo-tay needs including maximum strength, sensitive, natural* aloe, and butt barrier. Boudreaux's Butt Paste products are FSA- and HSA-eligible in the US. *Other ingredients may not be natural. Natural refers to the source of listed ingredients and allows for only minimal, non-chemical processing of these ingredients.