You can also consider bringing a nail brush for your finger nails.
Make sure you trim your nails and toenails before the trip. Personal hygiene on the trail is going to be so important to you staying healthy.  Keep dirt out of your nails and make sure you are constantly using hand sanitizer.  You can also consider bringing a nail brush for your finger nails. On the way down-hill, you will want to make sure your toenails are clipped and short to avoid them banging on the end of your boot.