What should be done with applied gel that has dried and lost its water? Group of answer choices
A. The gel can be lightly misted and it will rehydrate.
B. A new layer of gel must be applied onto the existing one.
C. The gel must be washed away with clean water and the gel reapplied.
D. Dehydrated gel can be left alone because it is just as effective as new, moisture-rich gel.