From the manufacturer's website:
The original pharmacist-formulated Butt Paste® helps treat and prevent diaper rash with every changing.
- Helps treat and prevent diaper rash
 - Starts relieving diaper rash discomfort on contact
 - 16% zinc oxide
 - FREE FROM: dyes, preservatives, parabens and talc
 - Pediatrician-recommended brand
 
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.