Do these contain contain propylene glycol? No, our pet wipes don't contain propylene glycol and they don't contain chlorine, alcohol, fragrance or any other nasties. Related articles Are these wipes biodegradable? What animals can Pura pet wipes be used on? Can you use them to clean dog paws?? How do I clean my animal with Pura pet wipes? What accreditations do your nappies have?