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The only thing you can really do with the nose is lubricate it well and use products on the wound.
For the wound, you can use a peroxide wash (1 part peroxide to 4 parts water). Then dry it well. You can apply some neosporin or triple antibiotic ointment.
To prevent dryness, you can use a product called "Bag Balm" that is actually a moisturizer. You can get it at most walmart stores or pharmacies.
I hope this helps!
Let me know if you have further questions.