I have been changing so many diapers that I've got the "Desitin finger." This 40% zinc oxide cream is all embedded in my pointer finger cracks, and deeply ingrained under my fingernail. The grossest part? I realized it after I absentmindedly chewed on my fingernail and tasted the weird soapy Desitin taste. Then also remembered that the reason it's covered in Desitin is because I wipe it on my baby's butt. Eeeeeeeeeew.