Radiation gel is gel used by Fairies to protect from Radioactivity, since they get very easily wounded from radiation. Only time it is used is in book II: Artemis Fowl and Arctic Incident, when they travel to North.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.