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? Can I use your wipes on birds and birdcages? Can you use them to clean dog paws?? What animals can Pura pet wipes be used on? What accreditations do your nappies have?