Boudreaux's Butt Paste was developed by a pharmacist and father of four. It has been trusted for over 40 years by pediatricians and parents. Original Butt Paste is ideal for mild to moderate diaper rash. It is also a great way to help prevent diaper rash when applied on daily basis. There are no harsh ingredients: Free of Dye, Paraben, Preservative, Phthalate, and Talc. Made with 6 simple ingredients designed to be effective in kicking diaper rash but gentle on babies' skin.