You don't need to soak when they are in shed. You can try to boost the humidity in her cage by misting or provide a humid hide. I usually place a deli cup with a well soaked paper towel in their cage to boost the humidity, and that always seems to do the trick. If they have a stuck shed, you can soak them for a few minutes then try to gently rub the stuck shed off. Another trick to remove a stuck shed is to place them in a moist pillowcase in their cage for about 30 minutes to an hour. Make sure they are not in direct contact with a heat source, though.

Good luck!