Try some Vaseline on a Q-tip. My husband has a chronic dry nose in the spring (allergies) and that's what he does to keep it moisturized...
A saline nasal gel used twice a day maximum might be helpful. Make sure it's a non-medicated spray/gel.Be careful with putting petrolatum based products in the nose as that can sometimes (rarely actually) lead to pneumonia.http://www.mayoclinic.com/health/petroleum-jelly/AN00947Use a humidier in your bedroom when you sleep; consider using humidifiers where you spend the majority of your time at home. Clean the humidifier and disinfect it per the instructions that come with it. This will help a lot...
I have the same problem. The inside of my nose is SOO dry and it hurts. I found that going into my gyms sauna/steamroom for about 10 minutes a day pretty much takes away not only from the dry, crusty "inside" nose, but also flaky facial skin. When I stopped doing it this past week, both my dry nose & skin came back. If you have access to a sauna/steamroom, I highly recommend using it...
My nose doesn't seem that dry, but I get bloody noses a few times a week. It sucks. I use a saline spray and gel every day, and it still happens. I also sleep with a humidifier...