ketowell chlorhexidine & ketoconazole medicated spray for dogs & cats - hot spot treatment, skin infections and conditions, acne - aloe & vitamin e - 8 oz vetwell ketowell topical spray is a solution designed for topical use on common skin conditions responsive to chlorhexidine and ketoconazole. fatty acids and vitamin e moisturize and hydrate skin. for dogs, cats, and horses. alcohol-free formula. use as directed by your veterinarian.