Active Ingredients: Hydrocortisone 1.0% USP
Inactive Ingredients: Propylene Glycol, Glycerin, Benzyl Alcohol, Dextrose, Hydroxypropyl Cellulose, Purified Water, Potassium Iodide, Lactoperoxidase, GLucose Oxidase, Lysozyme, Lactoferrin.
It is not irritating.
You can use with confidence
It works fast to! I have recommended it to friends who have dogs a number of times.